Post on 10-Nov-2015
description
Uji Validitas dan Uji Reliabilitas pada data hasil uji coba soal ujian Biologi Kelas XI materi Sistem Ekskresi dengan jumlah 10 soal dan jumlah responden 20 orang.uji coba soal ujian Biologi Kelas XI MATERI SISTEM EKSKRESI
No RespondenNomor Item (soal)Skor Total
Item 2Item 2Item 3Item 4Item 5Item 6Item 7Item 8Item 9Item 10
101110111118
2111111111110
3111111111110
4111111111110
511110110118
611011111119
711110111119
810111111119
9111111111110
1011101101107
1111011101118
1201111111119
1301011010004
1411110111119
1501010000002
1610110111118
17111111111110
1811111110018
19111111111110
20111111111110
Uji Validitas dan Uji Reliabilitas dengan SPSS
UJI VALIDITAS Correlations
Item_1Item_2Item_3Item_4Item_5Item_6Item_7Item_8Item_9Item_10Skor_total
Item_1Pearson Correlation1-,167,375-,115,218,667**,140,375,490*,490*,651**
Sig. (2-tailed),482,103,630,355,001,556,103,028,028,002
N2020202020202020202020
Item_2Pearson Correlation-,1671-,167-,076,145-,111-,140-,167-,140-,140-,016
Sig. (2-tailed),482,482,749,541,641,556,482,556,556,945
N2020202020202020202020
Item_3Pearson Correlation,375-,1671-,115-,055,667**,490*,375,490*,490*,651**
Sig. (2-tailed),103,482,630,819,001,028,103,028,028,002
N2020202020202020202020
Item_4Pearson Correlation-,115-,076-,1151-,150-,076,546*-,115-,096,546*,158
Sig. (2-tailed),630,749,630,527,749,013,630,686,013,506
N2020202020202020202020
Item_5Pearson Correlation,218,145-,055-,1501,145,031,218,031,031,343
Sig. (2-tailed),355,541,819,527,541,898,355,898,898,138
N2020202020202020202020
Item_6Pearson Correlation,667**-,111,667**-,076,1451,327,667**,793**,793**,885**
Sig. (2-tailed),001,641,001,749,541,160,001,000,000,000
N2020202020202020202020
Item_7Pearson Correlation,140-,140,490*,546*,031,3271,140,216,608**,564**
Sig. (2-tailed),556,556,028,013,898,160,556,361,004,010
N2020202020202020202020
Item_8Pearson Correlation,375-,167,375-,115,218,667**,1401,840**,490*,713**
Sig. (2-tailed),103,482,103,630,355,001,556,000,028,000
N2020202020202020202020
Item_9Pearson Correlation,490*-,140,490*-,096,031,793**,216,840**1,608**,771**
Sig. (2-tailed),028,556,028,686,898,000,361,000,004,000
N2020202020202020202020
Item_10Pearson Correlation,490*-,140,490*,546*,031,793**,608**,490*,608**1,840**
Sig. (2-tailed),028,556,028,013,898,000,004,028,004,000
N2020202020202020202020
Skor_totalPearson Correlation,651**-,016,651**,158,343,885**,564**,713**,771**,840**1
Sig. (2-tailed),002,945,002,506,138,000,010,000,000,000
N2020202020202020202020
**. Correlation is significant at the 0.01 level (2-tailed).*. Correlation is significant at the 0.05 level (2-tailed).
SYARAT UJI VALIDITAS Menurut SugiyonoItem soal di katakan valid jika r hitung > 0,3Item soal di katakan tidak valid/ gugur jika r hitung < 0,3
Nomor Soal R hitungSyaratKeterangan
Item 10,651> 0,3Valid
Item 20,016< 0,3Tidak Valid
Item 30,651< 0,3Tidak Valid
Item 40,158> 0,3Valid
Item 50,343> 0,3Valid
Item 60,885> 0,3Valid
Item 70,564> 0,3Valid
Item 80,713> 0,3Valid
Item 90,771> 0,3Valid
Item 100,840> 0,3Valid
Dari hasil uji Validitas, dapat disimpulkan bahwa : Item soal nomor 2 dan 3 dinyatakan tidak valid sehingga harus diganti atau dibuang. Item soal Nomor 1,4,5,6,7,8,9,10 dinyatakan valid sehingga bisa digunakanHASIL UJI RELIABILITASReliabilityNotes
Output Created10-Mei-2015 15:04:14
Comments
InputActive DatasetDataSet0
Filter
Weight
Split File
N of Rows in Working Data File20
Matrix Input
Missing Value HandlingDefinition of MissingUser-defined missing values are treated as missing.
Cases UsedStatistics are based on all cases with valid data for all variables in the procedure.
SyntaxRELIABILITY /VARIABLES=Item_1 Item_2 Item_3 Item_4 Item_5 Item_6 Item_7 Item_8 Item_9 Item_10 /SCALE('ALL VARIABLES') ALL /MODEL=ALPHA /SUMMARY=TOTAL.
ResourcesProcessor Time00 00:00:00,047
Elapsed Time00 00:00:00,037
Scale: ALL VARIABLES
RELIABILITY /VARIABLES=Item_1 Item_2 Item_3 Item_4 Item_5 Item_6 Item_7 Item_8 Item_9 Item_10 /SCALE('ALL VARIABLES') ALL /MODEL=ALPHA /SUMMARY=TOTAL.Case Processing Summary
N%
CasesValid20100,0
Excludeda0,0
Total20100,0
Reliability Statistics
Cronbach's AlphaN of Items
,76210
Item-Total Statistics
Scale Mean if Item DeletedScale Variance if Item DeletedCorrected Item-Total CorrelationCronbach's Alpha if Item Deleted
Item_17,603,411,514,729
Item_27,504,474-,162,805
Item_37,603,411,514,729
Item_47,454,261,051,777
Item_57,703,905,125,794
Item_67,503,316,845,693
Item_77,553,629,426,742
Item_87,603,305,593,717
Item_97,553,313,683,706
Item_107,553,208,774,692
HASIL ANALISIS DATA UJI RELIABILITASNomor SoalR hitungSyaratKeterangan
Item 10,729>0,6Reliabel
Item 20,805>0,6Reliabel
Item 30,729>0,6Reliabel
Item 40,777>0,6Reliabel
Item 50,794>0,6Reliabel
Item 60,693>0,6Reliabel
Item 70,742>0,6Reliabel
Item 80,717>0,6Reliabel
Item 90,706>0,6Reliabel
Item 100,692>0,6Reliabel
Dari analisis data uji Reliabilitas dapat disimpulkan, bahwa :Item soal nomor 1 sampai 10 semuanya Reliabel.Kriteria reliabilitas didapatkan dari Croanbachs Alpha adalah apabila didapatkan nilai Croanbachs Alpha kurang dari 0,600 berarti buruk, sekitar 0,700 diterima dan lebih dari atau sama dengan 0,800 adalah baik.