Uji Validitas dan Uji Reliabilitas pada data hasil uji coba soal uji kompetensi materi
klasifikasi Tumbuhan
Hasil uji coba soal uji kompetensi materi klasifikasi Tumbuhan
No RespondenNomor Item (soal)
Skor TotalSoal 1 Soal 2 Soal 3 Soal 4 Soal 5 Soal 6 Soal 7 Soal 8 Soal 9 Soal 101 1 0 1 1 1 0 1 1 1 1 82 1 1 1 1 1 1 1 1 1 1 103 1 1 1 1 1 1 1 1 1 1 104 1 1 1 1 1 1 1 1 1 1 105 1 1 1 0 1 1 0 1 1 1 86 1 0 1 1 1 1 1 1 1 1 97 1 1 1 0 1 1 1 1 1 1 98 1 1 1 1 0 1 1 1 1 1 99 1 1 1 1 1 0 1 1 1 1 9
10 1 1 1 0 1 1 0 1 1 1 811 1 1 1 1 1 1 0 1 1 1 912 1 1 1 1 0 1 1 1 1 1 913 0 1 0 1 1 0 1 0 0 0 414 1 1 1 1 0 1 1 1 1 1 915 0 1 0 1 0 0 1 0 0 0 316 1 0 1 1 0 1 1 1 1 1 817 1 1 1 1 1 1 1 1 1 1 1018 1 1 1 1 0 1 1 0 1 1 819 1 0 1 1 1 1 0 1 1 1 820 1 1 1 1 1 1 1 1 1 1 10
Uji Validitas dan Uji Reliabilitas dengan SPSS
Correlations
Soal_1 Soal_2 Soal_3 Soal_4 Soal_5 Soal_6 Soal_7 Soal_8 Soal_9 Soal_10 Skor_total
Soal_1 Pearson Correlation 1 -,167 1,000** -,140 ,145 ,667** -,167 ,793** 1,000** 1,000** ,907**
Sig. (2-tailed) ,482 ,000 ,556 ,541 ,001 ,482 ,000 ,000 ,000 ,000
N 20 20 20 20 20 20 20 20 20 20 20
Soal_2 Pearson Correlation -,167 1 -,167 -,210 -,055 ,063 ,063 -,210 -,167 -,167 ,042
Sig. (2-tailed) ,482 ,482 ,374 ,819 ,794 ,794 ,374 ,482 ,482 ,862
N 20 20 20 20 20 20 20 20 20 20 20
Soal_3 Pearson Correlation 1,000** -,167 1 -,140 ,145 ,667** -,167 ,793** 1,000** 1,000** ,907**
Sig. (2-tailed) ,000 ,482 ,556 ,541 ,001 ,482 ,000 ,000 ,000 ,000
N 20 20 20 20 20 20 20 20 20 20 20
Soal_4 Pearson Correlation -,140 -,210 -,140 1 -,275 -,210 ,490* -,176 -,140 -,140 ,016
Sig. (2-tailed) ,556 ,374 ,556 ,241 ,374 ,028 ,457 ,556 ,556 ,948
N 20 20 20 20 20 20 20 20 20 20 20
Soal_5 Pearson Correlation ,145 -,055 ,145 -,275 1 -,055 -,327 ,336 ,145 ,145 ,267
Sig. (2-tailed) ,541 ,819 ,541 ,241 ,819 ,159 ,147 ,541 ,541 ,256
N 20 20 20 20 20 20 20 20 20 20 20
Soal_6 Pearson Correlation ,667** ,063 ,667** -,210 -,055 1 -,250 ,490* ,667** ,667** ,667**
Sig. (2-tailed) ,001 ,794 ,001 ,374 ,819 ,288 ,028 ,001 ,001 ,001
N 20 20 20 20 20 20 20 20 20 20 20
Soal_7 Pearson Correlation -,167 ,063 -,167 ,490* -,327 -,250 1 -,210 -,167 -,167 ,042
Sig. (2-tailed) ,482 ,794 ,482 ,028 ,159 ,288 ,374 ,482 ,482 ,862
N 20 20 20 20 20 20 20 20 20 20 20
Soal_8 Pearson Correlation ,793** -,210 ,793** -,176 ,336 ,490* -,210 1 ,793** ,793** ,793**
Sig. (2-tailed) ,000 ,374 ,000 ,457 ,147 ,028 ,374 ,000 ,000 ,000
N 20 20 20 20 20 20 20 20 20 20 20
Soal_9 Pearson Correlation 1,000** -,167 1,000** -,140 ,145 ,667** -,167 ,793** 1 1,000** ,907**
Sig. (2-tailed) ,000 ,482 ,000 ,556 ,541 ,001 ,482 ,000 ,000 ,000
N 20 20 20 20 20 20 20 20 20 20 20
Soal_10 Pearson Correlation 1,000** -,167 1,000** -,140 ,145 ,667** -,167 ,793** 1,000** 1 ,907**
Sig. (2-tailed) ,000 ,482 ,000 ,556 ,541 ,001 ,482 ,000 ,000 ,000
N 20 20 20 20 20 20 20 20 20 20 20
Skor_total Pearson Correlation ,907** ,042 ,907** ,016 ,267 ,667** ,042 ,793** ,907** ,907** 1
Sig. (2-tailed) ,000 ,862 ,000 ,948 ,256 ,001 ,862 ,000 ,000 ,000
N 20 20 20 20 20 20 20 20 20 20 20
**. 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 > 0,3
Item soal di katakan tidak valid/ gugur jika r hitung < 0,3
Nomor R hitung Syarat KeteranganSoal 1 0,907 > 0,3 ValidSoal 2 0,042 < 0,3 Tidak ValidSoal 3 0,907 > 0,3 ValidSoal 4 0,016 < 0,3 Tidak ValidSoal 5 0,267 < 0,3 Tidak ValidSoal 6 0,667 > 0,3 ValidSoal 7 0,042 < 0,3 Tidak ValidSoal 8 0,793 > 0,3 ValidSoal 9 0,907 > 0,3 ValidSoal 10 0,907 > 0,3 Valid
Dari hasil uji Validitas, dapat disimpulkan bahwa :
- Item soal nomor 2, 4, 5 dan 7 dinyatakan tidak valid sehingga harus diganti atau dibuang.- Item soal Nomor 1, 3, 6, 8, 9, dan 10 dinyatakan valid sehingga bisa digunakan
HASIL UJI RELIABILITASReliability
Case Processing Summary
N %
Cases Valid 20 100,0
Excludeda 0 ,0
Total 20 100,0
a. Listwise deletion based on all variables in the
procedure.
Reliability Statistics
Cronbach's
Alpha N of Items
,664 10
Item-Total Statistics
Scale Mean if
Item Deleted
Scale Variance
if Item Deleted
Corrected Item-
Total Correlation
Cronbach's
Alpha if Item
Deleted
Soal_1 7,50 2,474 ,870 ,543
Soal_2 7,60 3,516 -,178 ,739
Soal_3 7,50 2,474 ,870 ,543
Soal_4 7,55 3,524 -,180 ,729
Soal_5 7,70 3,168 ,013 ,716
Soal_6 7,60 2,568 ,512 ,597
Soal_7 7,60 3,516 -,178 ,739
Soal_8 7,55 2,471 ,699 ,561
Soal_9 7,50 2,474 ,870 ,543
Soal_10 7,50 2,474 ,870 ,543
HASIL ANALISIS DATA UJI RELIABILITAS
Nomor Soal
R hitung
Syarat Keterangan
Soal 1 0,543 >0,6 Tidak Reliabel
Soal 2 0,793 >0,6 ReliabelSoal 3 0,543 >0,6 Tidak ReliabelSoal 4 0,729 >0,6 ReliabelSoal 5 0,716 >0,6 ReliabelSoal 6 0,597 >0,6 Tidak ReliabelSoal 7 0,739 >0,6 ReliabelSoal 8 0,561 >0,6 Tidak ReliabelSoal 9 0,543 >0,6 Tidak ReliabelSoal 10 0,543 >0,6 Tidak Reliabel
Dari analisis data uji Reliabilitas dapat disimpulkan, bahwa :
Hanya 4 soal yang reliabel
Kriteria reliabilitas didapatkan dari Croanbach’s Alpha adalah apabila didapatkan nilai Croanbach’s Alpha kurang dari 0,600 berarti buruk, sekitar 0,700 diterima dan lebih dari atau sama dengan 0,800
adalah baik.
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