Learning Exponential-Logarithmic Equations through Values-Driven Interventions
Transcript of Learning Exponential-Logarithmic Equations through Values-Driven Interventions
Learning Exponential – Logarithmic Equations
LEARNING EXPONENTIAL-LOGARITHMIC EQUATIONS THROUGH
VALUES-DRIVEN INTERVENTIONS
by:
Avelino S. Caraan, Jr., DEM
GS Faculty
ABSTRACT
Mathematics is, undeniably, a fundamental skill that a learner should acquire and
master. Its purposes since the era when man learned to write his annals cannot be
overemphasized. The learners should explore independently the intricacies of the subject;
hence, constructivist approach. As developed by Jerome Bruner, it is where the learners
construct new ideas based upon their current or past undertakings.
This study covered the performances of selected 34 College students in learning
exponential-logarithmic equations. Revealed here were: pretest and post-test performances
have averaged differently; the null hypothesis of no significant difference between the two
performances is rejected. The null hypothesis stating that the interventions used have equal
influence to post-test results is accepted; the most predominant behavioral changes are
determination, organization of thoughts, self-confidence, and humility; all interventions used are
assessed effective.
As concluded, a significant difference exists between the two performances and that the
interventions have equal influence over the post-test performances.
Key words: exponential-logarithmic equations, values-driven interventions, constructivism
Learning Exponential – Logarithmic Equations
INTRODUCTION
Mathematics is, undeniably, a fundamental skill that a learner should acquire and
master. Its purposes since the era when man learned to write his annals cannot be
overemphasized. Its rudiments have been perfected generation by generation until such time
when mathematics is difficult to understand. It is when the learners must be provided again, in
the cycle of human existence, the basics of mathematics. The learners should explore
independently the intricacies of the subject. They must create their own constructs or
frameworks of understanding based on the established mathematical principles; hence,
constructivist approach.
By constructivism we mean learning by doing. A learning theory that is developed by
Jerome Bruner, its major theme is that learning is an active process in which the learners
identify, select and transform data into meaningful information to guide them in their formulation
of hypothesis and decision making. In it is this context that learners should be given ample
opportunities to explore by themselves the learning environment they have. Facilitators of
learning should motivate their students to discover and refine information with the very least
intervention they normally do.
It is in this light that the researcher had attempted to explain how the learners, in this
case my research participants, acquire understanding and mastery of exponential-logarithmic
equations when given ample time to work freely on their own through the employment of values-
driven interventions.
Conceptual Framework
The central theory adopted for this study is the importance of independent cognition, or
independent learning. Aptly stated, and I quote, “Jerome Bruner's constructivist theory is a
general framework for instruction based upon the study of cognition.” Originally, Bruner
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focused on the mathematical and scientific studies which served as foundation of higher
learning for young children.
At the confines of a constructivist, his concentration is the learner; very minimal
to him or herself. Contradictory to common notion towards constructivism, the
importance of teachers is not neglected. Their roles are just modified. Focus is shifted to
the learners, “away” from the usual instruction and supervision of the teachers. The
constructivist teacher provides tools such as problem-solving and inquiry-based learning
activities with which students formulate and test their ideas, draw conclusions and
inferences, and pool and convey their knowledge in a collaborative learning
environment.
Whitehead (1929) as cited by Slaterry (2013) pronounced that “students are
alive, and the purpose of education is to stimulate and guide their self-development.”
This leads to the universal recognition of the vitality of addressing the nature of the
learners. Kersey & Masterson (2013) added that there is a need for positive guidance
with our young children today. They had elaborated too the essence of having a
creative teachers available for help, coaching, and facilitating.
In the constructivist model, learners are encouraged to work for their own
learning, conceptualizing, and processing. In harmony with what the JRU Faculty
Manual declares, a teacher is expected to guide students in a wholesome environment and in
the adoption of habits that would improve their character and personality, which is the very core
of constructivism.
In the present study, the complementary and supplementary roles of
mathematics teaching and mathematics learning will be both the responsibility of the
learners themselves. In its entirety, the researcher had made used of different values-
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driven interventions whereat the participants had engaged themselves actively. These
included socialized blended recital, student-led discussion, board work / demonstration,
and math video / film showing. Adoption of these approaches had subscribed to the
ideas of Zulueta (2006), who emphasized that learning must be interactive. He believes
that it is only when the individual reacts to the stimulus in the environment that learning
is likely to occur.
Figure 1 The Conceptual Framework
Figure 1 shows the conceptual framework of the study. As the learners are
exposed to their own learning environment, they could explore the lessons on hand,
determine what is essential from peripheral, and crystallize what are the precise
preconceptions. These will lead to their improved academic performance and behavioral
changes. While these are for students to experience, it is also expected that the
curriculum would be further enriched through modelling learning exercises.
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Significance of the Study
Bearing in mind the relevance of student-centered approach of teaching nowadays, this
present research would be beneficial to the following:
School administrators. They will be able to formulate classroom policy in institutionalizing
administrative support to independent learning environment.
Teacher-facilitators. They will be able to effectively gauge their students and provide
academic support in order to make the learners understand mathematical concepts and acquire
necessary competencies through learner-centered approach.
Learners. They will be provided with optimum collaboration for individualized instruction
and independent exploration giving them opportunity to unlock their own learning difficulties and
misconceptions.
Scope and Limitations
This evaluative study covered the performances of the participants in acquiring
understanding and skills involving exponential-logarithmic equations, an Advanced Algebra
lesson. I did not attempt to compare and contrast performances of the participants according to
their strategies/approaches employed rather focused on the overall pretest and post test results
only. This limitation I have positioned outset could prevent the direct comparison of the
interventions used by the participants. Instead, I reduced to the comparative analysis of their
overall improvement marks.
While it is true that I also gave consideration to the participants’ perceptions, these had
been corroborated by their post-test performances. Likewise, I had made simple linear
regression analysis to further explain the findings revealed.
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Definition of Terms
The following terms were operationally defined by the present researcher.
Behavioral Changes. This term refers to the manifested behavioral change of the
participants from pre-intervention to post-intervention when learning the logarithmic-exponential
equations.
Constructivism. As a learning theory, this refers to the process / approach employed in
the present undertaking whereby the participants were allowed to explore their own potentials in
acquiring pre-determined mathematical competencies of understanding and applying
logarithmic-exponential equations.
Values-driven interventions. These interventions were determined by the researcher in
which the participants could employ independent learning. These were specifically limited to
blended recital, student-led discussion, board work/demonstration, and math video / film
viewing.
Hypothesis
The following are the null hypotheses that I had tested at 0.05 alpha level of confidence:
Null Hypothesis 1 There is no significant difference between the performances of
the participants during the pretest and post-test administration.
Null Hypothesis 2 The independent variable INTERVENTIONS USED has equal
influence upon the dependent variable (Y) POST-TEST
RESULTS
(Statistically stated: b1 – b2 = 0 ... bn - bn+1 = 0)
Research objectives
Based on the problems that I wished to address, the following objectives have directed
my study:
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1. To assess how the participants performed during the pretest and post-test covering
Exponential-Logarithmic Forms;
2. To check if there were behavioral changes in learning mathematics when different
teaching-learning interventions were employed;
3. To determine how effective learning mathematics subject content is when values-
driven interventions were employed; and
4. To create model on writing / developing learning exercises that promote values
Statement of the Problem
Stemmed logically from the premises set earlier pertaining to independent learning and
research objectives, I sought the answers for the following problems:
1. What were the performances of the participants during pretest and post-test?
2. Is there a significant difference on the performances of the participants during the
takes of pretest and post-test?
3. What values were predominant among the participants in learning mathematics
through programmed interventions?
4. How effective integrating values were in learning math subject content after the
intervention period?
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Chapter 2
METHODOLOGY
Research Design Used
I employed mixed experimental-descriptive design of research. As such, I ascertained
that there were planned interferences in the natural order of learning events among my
participants. This prompted me since I wished to obtain information concerning the current
status of the phenomena (mathematics teaching) and to describe "what exists," which in this
research pertains mathematics learning with respect to variables or conditions in a situation
(referring to the interventions employed during the data-gathering phase). Essentially, the
overall research design is that of an action research. Navarro & Santos (2013) explained that
action research is an inquiry process conducted by any stakeholder in the teaching-learning
environment to address a felt need or address daily problems.
Population, Sample and Sampling Scheme
For this School Year 2014-2015, I handle eight (8) mathematics classes. Four (4) of
these are Advanced College Algebra and the remaining four (4) classes are all Elementary
Statistics. Considering that Elementary Statistics are already conducted through Course
Redesign Program (CRP), these classes were no longer included in the selection of the sample;
thus, only the Advanced College Algebra classes remained. I resorted to fishbowl lottery
sampling which gave me the 102G class as research samples.
Data Gathering Procedure
The data gathering protocol that I had observed entails the following – initialization,
evaluation, and post-evaluation.
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During the initialization, I had informed the class (102G) that they were randomly
selected as research participants. During the first week of January when classes were resumed,
I had emphasized to the participants that their involvement in my research is voluntary, non-
discriminatory, and non-bearing either to their periodic or overall mathematics g.p.a.; thus,
consent forms were distributed and retrieved before the evaluation phase (Please see Appendix
A). When properly filled up consent forms were received, I proceeded in administering the
pretest to the 48 participants. Their corresponding scores were recorded afterwards. I grouped
the participants into four comprising 12 members each. Each group was assigned with a values-
driven intervention – one to employ blended recital; a separate group to do student-led
discussion; another group to do board work / demonstration; and a different group to view math
videos / films.
The four groups had utilized the assigned intervention strategies in acquiring knowledge
and understanding of exponential-logarithmic equations. This is my evaluation phase. In here,
they were given one and a half (1 ½) weeks, January 19-27, in teaching-learning the said
mathematical concepts. I sometimes allowed the participants to argue among themselves as to
the accuracy of their own processes, solutions, and answers. After the intervention period, I
administered the post-test and again recorded their corresponding stores. It must be noted here
that during post-test administration, only 34 participants were available. Some of them did not
come for the post-test while one (1) was no longer allowed by her guardian to participate. This
prompted me to remove from the records their respective scores previously tallied during pre-
test. Then, I applied necessary statistical treatments to reveal findings and eventually guide me
to appropriate rejection-acceptance of null hypotheses.
On my post-evaluation, I endeavored to solicit qualitative feedbacks from the participants
using a separate research instrument. This, when returned and assessed, amplifies the
available statistics derived from tests analysis.
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The Research Instruments
There were two research instruments that I had used namely Pretest-Post-Test on
Exponential-Logarithmic Equations developed and copyrighted by Dr. Abdelkader Dendane, a
UAE Professor, and a Post-Test Evaluation Sheet I purposively created to gather substantial
feedbacks from the participants.
I had communicated with and requested from Dr. Dendane for the use of his Pretest-
Post-Test on Exponential-Logarithmic Equations (Please see Appendix B). Dr. Dendane
instantly and gladly granted permission to use his material provided that it (the pretest-post-test
material) will only serve educational research purpose as guaranteed.
To bolster my data gathering, I developed a Post-Test Evaluation Sheet (Please see
Appendix C) where the participants provided more specific details vis-à-vis to the interventions
they employed and their perceptions on its effectivity on promoting values.
Statistical Treatment of Data
I had used both the descriptive and inferential statistics to complement and supplement
all the findings in this study. Descriptive statistics that I had employed were frequency counts,
percentage, means, weighted means, and standard deviations. As regards to the inferential
statistics, separate-variances t-Test for the difference, ANOVA (F-Test), and simple linear
regression were utilized in order to propose later on further studies to ascertain generalizability
of the present research.
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Chapter 3
RESULTS AND DISCUSSIONS
To answer Research Problem 1 which asks for the performances of the participants
during pretest and post-test, Tables 1 and 2 exhibit the findings enhanced with essential
analyses and interpretations.
Table No. 1
Pretest and Post-Test Performances of the Participants Clustered According to
Intervention Used
INTERVENTION USED NO. OF
EXAMINEES PRETEST POST-TEST VARIANCE RANK
Blended recital 8 2.30 7.38 5.13 2
Student-led discussion 10 2.30 6.30 4.00 2
Board work/ Demonstration
8 2.00 7.13 5.13 4
Math video / film viewing 8 2.50 7.63 5.13 2
AVERAGE 2.28 7.11 4.85
It can be gleaned from the table above that there were notable changes on the
performances of the participants when they took the post-test. Initially in the pretest, the
participants had attained only an average of 2.28 points. When they took the post-test, their
performances had leaped to and hit a very high average of 7.11 points. Evaluating from within,
among the four interventions used, student-led discussion posted the lowest positive variance of
4.00 points, while the blended recital, board work/demonstration, and math video/film viewing
posted bit higher positive variances of 5.13 points each.
Gleaning further, the average positive variance of 4.85 suggests that the four values-
driven interventions, when properly and timely executed, could improve low mathematics
performances. I observed, while the students were constructing their own concepts on
exponential-logarithmic equations, students were initially adamant to participate. This is perhaps
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apparent due to their low performance during the pre-test administration. Gradually, participants
were able to engage themselves on the process.
Figure 2
Average Test Performances during Pre-Intervention and Post-Intervention
Figure 2 shows the comparison of two test averages attained during the pre-intervention
and post-intervention. Glaringly noticeable is the big gap or difference between the two tests
administered purposively.
Table No. 2
Frequency Distribution of Participants’ Improvement Marks according to the
Interventions Used
INTERVENTIONS USED INC (f)
% DEC (f)
% UNCH
(f) %
Blended recital 7 87.50 0 0.00 1 12.50
Student-led discussion 9 90.00 1 10.00 0 0.00
Board work/ Demonstration 7 87.50 1 12.50 0 0.00
Math video / film viewing 7 87.50 1 12.50 0 0.00
TOTAL / AVERAGE 30 88.13 3 8.75 1 3.13
UNCH – Unchanged
As reflected in the table above, there were 30 participants or 88.13% whose
performances have increased while there were 3 participants or 8.75% whose performances
0
1
2
3
4
5
6
7
8
Pre-Intervention Post-Intervention
2.28
7.11
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have decreased. Only one (1) participant or 3.13% has an unchanged performance.
Interestingly, that sole participant came from blended recital group only. Analyzing it further, the
results posited that student-led discussion, board work/demonstration, and math video/film
viewing as learning interventions had slightly decreased the performances of those who had
employed them. Caution, however, must be recognized too. Such decreases do not
substantially affect the accomplishment level of those who had improved a lot.
To answer Research Problem 2 which asks if there is a significant difference on the
performances of the participants during their pretest and post-test, Tables 3-5 reveal the
findings followed by supplemental analyses and interpretations.
Table No. 3
Separate-Variances t Test for the Difference between Pretest and Post-Test
Results Means t-computed Critical value Decision Remarks
Pretest 2.28 -45.9438 ±2.0195 Reject Ho Significant
Post-Test 7.11
Two-tailed test; α = 0.05
Table 3 shows the test of significant difference between the pretest and post-test
performances of the participants. It can be seen from the table that the mean performance
during pretest is 2.28 while during post-test is 7.11. Based on the computations made, the t-
statistic absolute value of –45.9438 which is lower than the absolute t-critical value of –
2.0195.Thus, the null hypothesis which states that there is no significant difference between the
pretest and post-test performances of the participants is rejected. Therefore, a significant
difference exists between the two performances of the participants.
While there is a significant difference that exists between the participants’ pretest and
post-test performances, the ANOVA (F-Test) results for interventions used and the post-test
performances provide another interesting result as explained in the succeeding texts.
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Table 4
ANOVA Matrix for Intervention Use and Post-Test Results
df SS MS F-value Significance F
Regression 1 0.0016 0.0016 0.0148 0.9039
Residual 32 3.5278 0.1102 Total 33 3.5294
As shown in Table 4, the computed F-value is 0.0148 is lower than the critical F-Value of
0.9039; thus, the null hypothesis which says that the INTERVENTION USED (Blended recital,
student-led discussion, board work/demonstration, and math video/film viewing), as a set, have
equal influence to Post-test results is accepted. This means that the four (4) intervention
methods have the same influence over the performance of the participants during their post-
test.
However, as revealed in Table 5 below, the coefficient’s p-value of 0.904 is greater than
the 0.05 alpha level of significance. This implies that all the values-driven interventions
employed are statistically insignificant at that level.
Table 5
Regression Coefficient Matrix for Interventions Used and Post-test Results
Coefficients Standard Error t Stat P-value Remarks
Intercept 0.8889 0.0783 11.358 0.000
Interventions Used -0.0139 0.1141 -0.122 0.904 Not Significant
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Figure No. 3
Scatter plot and the Regression Equation
Figure no. 3 shows the scatter plot for Interventions Used and Post-test Results data. It
shows the regression equation y = –0.0139x + 0.8889. Meaning, for any Pre-test (x) score, say
8, the post-test (y) score of the student would be 0.7777 higher.
To answer Research Problem 3 which inquires what values were predominant among
the participants in learning mathematics through programmed interventions, Tables 6-9 show
the findings where analyses and interpretations follow.
Table No. 6
Predominant Behavioral Changes as Ranked by the Participants
in Blended Recital
Predominant Behavioral Changes Participants’ Ranking
Raw Translated
Attentiveness. I became alert during random calls. 2.50 2
Determination. I became eager to participate, answer, and share.
2.00 1
Patience. I became patient to wait for my turn to be called. 3.63 4.5
Readiness. I became readily available for help when nobody wants to answer.
3.63 4.5
Responsiveness. I became focus on the learning content. 3.25 3
y = -0.0139x + 0.8889 R² = 0.0005
0
0.2
0.4
0.6
0.8
1
1.2
0 0.2 0.4 0.6 0.8 1 1.2
Y
X
Scatter Plot
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Table No. 6 exhibits the rankings made by the participants who have the blended recital
discussion as learning intervention on the predominant behavioral changes they experienced.
Based on the table, Determination ranks first with a raw rank of 2.00 which was followed by
Attentiveness with a raw rank of 2.50. Responsiveness is ranked third with a raw rank of 3.25.
Tailing at the end are Patience and Readiness with the same raw ranks of 3.63. Accordingly, a
constructivist teacher provides tools such as problem-solving and inquiry-based learning
activities with which students formulate and test their ideas, draw conclusions and
inferences, and pool and convey their knowledge in a collaborative learning
environment. This is observed too during the blended recital.
Table No. 7
Predominant Behavioral Changes as Ranked by the Participants
in Student-led Discussion
Predominant Behavioral Changes Participants’ Ranking
Raw Translated
Attending to details. I became sensitive and particular to words, symbols, and sounds during discussion.
2.30 2
Clearness / organization of thoughts. I became organized when discussing with my group mates.
2.20 1
Enthusiasm to share. I became animated and passionate during my discussion time.
3.10 3
Keenness. I became perceptive on others’ shortcomings in learning mathematics.
3.70 4.5
Precision. I became meticulous on the procedures involved when doing mathematical tasks.
3.70 4.5
Table No. 7 exhibits the rankings made by the participants who have the student-led
discussion as learning intervention on the predominant behavioral changes they experienced.
Based on the table, Clearness/organization of thoughts ranks first with a raw rank of 2.20 which
was followed by Attending to details with a raw rank of 2.30. Enthusiasm to share is ranked third
with a raw rank of 3.10. Tailing at the end are Keenness and Precision with the same raw ranks
of 3.70. As expected among the learners, they have become organized when discussing with
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their own group members. This is evident especially when the leader responsibly managed their
work. In a constructivist environment, though there is minimal supervision of the teacher, a
leader among the learners could surface during the process. Their emergence must be
supported. It is when a leader is born among the learners, an optimization of the potential of an
individual.
Table No. 8
Predominant Behavioral Changes as Ranked by the Participants
in Board work / Demonstration
Predominant Behavioral Changes Participants’ Ranking
Raw Translated
Articulacy. I became expressive during board work / demonstration of the mathematics content.
3.38 3.5
Compliance. I became conforming to the requirements of the task.
3.38 3.5
Cooperation. I became supportive with my colleagues while demonstrating the process of solving mathematics problems.
2.50 2
Neatness of work. I became aware of the necessity to work with efficiency especially with numbers.
4.00 5
Self-confidence. I became confident / buoyant while it was my time to demonstrate on the board.
1.75 1
Table No. 8 exhibits the rankings made by the participants who have the board work /
demonstration as learning intervention on the predominant behavioral changes they
experienced. Based on the table, Self-confidence ranks first with a raw rank of 1.75 which was
followed by Cooperation with a raw rank of 2.50. Articulacy and Compliance are ranked third
with the same raw ranks of 3.38. Tailing at the end is Neatness of work with a raw rank of 4.00.
Perhaps the primary reason of such low ranking of neatness is the practice the participants
have been accustomed to. Erasures and trials are allowed in mathematics as we attempt to
answer or prove mathematical equations.
In here, Whitehead (1929) gets affirmation. Students are truly alive and must be
encouraged to work for their own learning, conceptualizing, and processing. In the
board work or demonstration, participants have acknowledged the significance of the
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concept of self-worth apropos learning by doing. This may be the underlying reason why the
participants have ranked self-confidence the highest.
Table No. 9
Predominant Behavioral Changes as Ranked by the Participants
in Math video/film viewing
Predominant Behavioral Changes Participants’ Ranking
Raw Translated
Creativity. I became creative in approaching mathematical problems, thus helping me to solve correctly.
3.38 4
Exactitude. I became careful when complex mathematical problems are at hand.
2.75 2
Humility. I became unpretentious knowing that there are people who deal mathematics with difficulty.
2.00 1
Promptness. I put emphasis on the essentiality of learning mathematics.
3.63 5
Vigilance. I became fully aware that when mathematics is overused, it gives adverse results.
3.25 3
Table No. 9 exhibits the rankings made by the participants who have the math video /
film viewing as learning intervention on the predominant behavioral changes they experienced.
Based on the table, Humility ranks first with a raw rank of 2.00 which was followed by Exactitude
with a raw rank of 2.75. Vigilance is ranked third with a raw rank of 3.25, followed by Creativity
with a raw rank of 3.38 and tailing at the end is Promptness with a raw rank of 3.63.
Bruner is right when he said that in the constructivist milieu, learners should be given
ample opportunities to explore by themselves the learning environment they have. Upon doing,
they are moved, changed, transformed. These are the primary impacts of viewing Math –
related films. Most of the videos that the participants have watched have promoted special
consideration to people of different learning backgrounds. Most of the participants have watched
ABAKADA INA (Philippines), A BEAUTIFUL MIND (U.S.A.), and CITY HUNTER (S. Korea) that
shows struggles of, and compassion to people who are either mathematically gifted or
challenged.
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Across all interventions employed, the most predominant behavioral changes are
determination, clearness / organization of thoughts, self-confidence, and humility substantiated
by their high raw ranks made by the participants.
And finally, to answer Research Problem 4 which probes if integrating values was
effective in learning math subject content after the intervention period, Table 10 shows the
findings where analyses and interpretations follow.
Table No. 10
Distribution of Participants’ Perception on the Effectivity
of the Interventions Used
PERCEPTUAL RESPONSE FREQUENCY
(f) PERCENTAGE (%)
Effective 34 100.0
Not Effective 0 0.00
TOTAL 34 100.0
Table No. 10 exhibits the frequency and percentage distributions of the participants on their
perceptions on the effectivity of the interventions used. All of the 34 participants claimed that the
interventions the specifically used during the acquisition of exponential-logarithmic equations
are effective. Interspersing these perceptions on their post-test performances, their aggregate
belief is evidently true. Their perceptions are supported and validated by very high improvement
marks of 4.85 points from a low average of 2.28 points to 7.11 points. This positive leap is
enormous considering that the participants were just given a rationed time allotment of two
classroom meetings. At this point, Kersey & Masterson (2013) had emphasized the impact
of positive guidance with the learners no matter how short the contact is. Creative
teachers do give meaningful experience to the children and influence how the learners
perform. Concerning this assessment of the participants, they acknowledge the
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operative influence of the values-driven interventions where they had engaged
themselves worthily and actively.
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Chapter 4
SUMMARY OF FINDINGS, CONCLUSIONS, AND RECOMMENDATIONS
Findings
As revealed, I took notice of the following:
1. In the pretest, the participants had attained only an average of 2.28 points. When
they took the post-test, their performances had leaped to and hit a very high average
of 7.11 points. Evaluating from within, among the four interventions used, student-led
discussion posted the lowest positive variance of 4.00 points, while the blended
recital, board work/demonstration, and math video/film viewing posted bit higher
positive variances of 5.13 points each.
2. The t-statistic absolute value of –45.9438 is lower than the absolute t-critical value of
–2.0195, which had prompted the researcher to reject the null hypothesis which
states that there is no significant difference between the pretest and post-test
performances of the participants.
3. The most predominant behavioral changes are determination, organization of
thoughts, self-confidence, and humility
4. All values-driven interventions employed are assessed effective by the participants.
CONCLUSIONS
Based on the foregoing findings that were revealed in this study, I formulate the following
inferences:
1. The participants have yielded higher test performances during the post-intervention
phase.
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2. A significant difference exists between the pre-intervention and post-intervention
performances and that the interventions (blended recital, student-led discussion,
demonstration, and have equal influence over the post-test performances.
3. In each values-driven intervention, a predominant behavioral change surfaces.
4. The participants claimed that the post-intervention measures explored and employed
by them were effective in learning exponential-logarithmic equations.
Recommendations
Congruent to the findings revealed and conclusions formulated, I hereby recommend the
following:
1. Extend the values-driven interventions to other classes. This is to support or negate
the positive results that the interventions have caused to the performances of the
participants.
2. Expose the students to different teaching strategies/approaches and learning styles.
3. Explore student pre-conceptions from where to build firmer foundation of new
mathematical learning.
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BIBLIOGRAPHY
A. Books
Caraan, Jr. A. S. (2011). Introduction to Statistics and Probability: A Modular Approach. Jose
Rizal University Printing Press. Mandaluyong City, Philippines.
Kersey, K., & Masterson, M. (2013). 101 Principles for Positive Guidance with Young Children:
Creating Responsive Teachers (3rd ed.). Routledge, New York.
Navarro, R., & Santos, R. (2011). Research-Based Teaching and Learning. Lorimar Publishing,
Inc. Quezon City, Philippines.
Slaterry, P. (n.d.). Curriculum Development in the Postmodern Era Teaching and Learning in an
Age of Accountability (3rd ed.). Routledge 711 Avenue, New York.
Zulueta, F. (2006). Principles and Methods of Teaching. National Bookstore. Mandaluyong City,
Philippines
B. Internet Searches
http://www.analyzemath.com/LogEqTest/LogEqTest.html
C. Other References
JRU Faculty Manual (College Division)
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APPENDIX A
CONSENT FORM USED
BACKGROUND
The Graduate School, as a component and partner of Jose Rizal University in promoting
research culture, has chosen you as a respondent of this survey. Ethical considerations regarding research on human subjects require that you or, if you are not of age, your parents or guardian sign the following consent form.
The primary purpose of the research is the determination of the behavioral impacts as
students acquire a predetermined mathematical competency.
CONSENT
I understand that my (my son's/daughter's) participation as a respondent in this survey of
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Learning Exponential – Logarithmic Equations
APPENDIX B
SOLVE EXPONENTIAL AND LOGARITHMIC EQUATIONS
Questions on solving exponential and logarithmic equations and, indirectly, on all
properties of exponential and logarithmic functions are presented. These questions may be used as a self-test. Select the right answer by writing the letter before the question statements.
© Dr. Abdelkader Dendane
Question 1: Find all real solutions to the logarithmic equation. ln (x) = 2
a: 2 b: 2
e
c: 1 , 0 d: no real solutions e: e
2
Question 2: Find all real solutions to the exponential equation. e
x = 6
a: 6 b: 6 / e c: ln (6) d: e
6
e: no real solutions Question 3: Find all real solutions to the logarithmic equation. ln (x) + ln (2) = 3
a: no real solutions b: e
3 / 2
c: e 3 / ln (2)
d: 3 e / 2
e: 3 / ln (2) Question 4: Find all real solutions to the exponential equation. e
3x = -1
a: no real solutions b: ln (-1) / 3 c: -1 / ln (3) d: 0 e: e
-1 , 3
Question 5: Find all real solutions to the exponential equation. e
2x - 3e
x + 2 = 0
a: 1 , 2 b: e , e
2
c: no real solutions d: 0 , ln (2) e: e
2
Question 6: Find all real solutions to the logarithmic equation. ln (x + 1) + ln (x) = ln (2)
a: 1 , -2 b: 0 , ln (-2) c: e , e
2
d: -2 e: 1 Question 7: Find all real solutions to the logarithmic equation. ln (x + 1) - ln (x) = 2
a: 1 b: e
2
c: 1 / (e 2 - 1)
d: 1 / (ln (2) - 1) e: no real solutions Question 8: Find all real solutions to the logarithmic equation. ln (x
2 - 1) - ln (x - 1) = ln (4)
a: [ 1 + sqrt(17) ] / 2 , [ 1 - sqrt(17) ] / 2 b: -2 , 3 c: no real solutions d: ln (3) e: 3 Question 9: Find all real solutions to the exponential equation. e
2x e
3x - 3 = 2
a: ln (5) / 5 b: no real solutions c: 1 d: -1 , 1 e: ln (5) Question 10: Find all real solutions to the logarithmic equation ln (x
4) + ln (x
2)-ln (x
3)-2 = 7
a: 9 1/3
b: e
3
c: 1 d: no real solutions e: 0
Learning Exponential – Logarithmic Equations
APPENDIX C
POST-TEST EVALUATION SURVEY
1. Rank from 1 to 5 the following changes of behavior you have experienced when you are
expected to acquire mathematical competencies. RANK ONLY THE ITEMS WHERE YOU HAD YOUR INTERVENTION.
a. BLENDED RECITAL (RECITATION)?
_____ Attentiveness _____ Determination _____ Patience _____ Readiness _____ Responsiveness
b. Student-led DISCUSSION? _____ Attending to details _____ Clearness / organization of thoughts _____ Enthusiasm to share _____ Keenness _____ Precision
c. BOARD WORK / DEMONSTRATION? _____ Articulacy _____ Compliance _____ Cooperation _____ Neatness of work _____ Self-confidence
d. MATH-ORIENTED FILM VIEWING? _____ Creativity _____ Exactitude _____ Humility _____ Promptness _____ Vigilance
2. Did your score improve? _____ Yes _____ No
3. Were the examples during the teaching-learning of the math lesson enough to promote
values? _____ Yes _____ No
Learning Exponential – Logarithmic Equations
APPENDIX D
PHOTO DOCUMENTATION
In the student-led discussion, one leader
emerged to explain to his colleagues the
topics on hand.
The group of students who watched Math
films are sharing their thoughts about the
movie contents.
Students from the blended-recital group
attempt to solve exponential-logarithmic
problems before raising their hands for an
answer.
Students actively participate and listens to
their colleague who demonstrates how to
solve the math problems given to them.