3. Hasil Pengujian Validitas dan Reliabilitas Instrumen Kompetensi Siswa
a. Hasil pengujian pertama
Case Processing Summary
N Cases
Valid 30
100.0 Excluded
a
.0 Total
30 100.0
a. Listwise deletion based on all variables in the procedure.
Reliability Statistics
Cronbachs Alpha Cronbachs Alpha
Based on Standardized
Items N of Items
.911 .915
26
Item Statistics
Mean Std. Deviation
N Butir1
3.80 .664
30 Butir2
3.53 .681
30 Butir3
3.60 .675
30 Butir4
3.23 .504
30 Butir5
3.83 .648
30 Butir6
4.13 .776
30 Butir7
3.83 .592
30 Butir8
3.53 .571
30 Butir9
3.23 .504
30 Butir10
3.50 .630
30 Butir11
3.63 .718
30 Butir12
3.57 .679
30 Butir13
3.83 .699
30 Butir14
4.00 .587
30 Butir15
3.80 .551
30 Butir16
3.83 .592
30 Butir17
3.73 .691
30 Butir18
3.80 .664
30 Butir19
2.97 .669
30 Butir20
3.53 .571
30 Butir21
3.77 .626
30 Butir22
3.77 .626
30 Butir23
3.13 .730
30 Butir24
3.63 .718
30 Butir25
3.97 .718
30 Butir26
3.60 .675
30
Item-Total Statistics
Scale Mean if Item
Deleted Scale
Variance if Item Deleted
Corrected Item-Total
Correlation Squared
Multiple Correlation
Cronbachs Alpha if Item
Deleted Butir1
91.00 81.586
.517 .
.908 Butir2
91.27 82.271
.445 .
.909 Butir3
91.20 81.200
.541 .
.907 Butir4
91.57 84.116
.418 .
.910 Butir5
90.97 82.171
.481 .
.908 Butir6
90.67 87.402
.016 .
.919 Butir7
90.97 80.516
.693 .
.905 Butir8
91.27 82.685
.503 .
.908 Butir9
91.57 84.116
.418 .
.910 Butir10
91.30 82.079
.505 .
.908 Butir11
91.17 79.247
.662 .
.905 Butir12
91.23 79.495
.684 .
.905 Butir13
90.97 79.344
.675 .
.905 Butir14
90.80 80.993
.652 .
.906 Butir15
91.00 80.828
.717 .
.905 Butir16
90.97 80.516
.693 .
.905 Butir17
91.07 78.202
.781 .
.902 Butir18
91.00 79.862
.668 .
.905 Butir19
91.83 87.385
.032 .
.917 Butir20
91.27 82.685
.503 .
.908 Butir21
91.03 80.378
.665 .
.905 Butir22
91.03 81.206
.588 .
.907 Butir23
91.67 87.333
.027 .
.918 Butir24
91.17 81.592
.472 .
.909 Butir25
90.83 80.144
.589 .
.906 Butir26
91.20 81.200
.541 .
.907
Scale Statistics
Mean Variance
Std. Deviation N of Items
94.80 88.234
9.393 26
b. Hasil pengujian kedua
Case Processing Summary
N Cases
Valid 30
100.0 Excluded
a
.0 Total
30 100.0
a. Listwise deletion based on all variables in the procedure.
Reliability Statistics
Cronbachs Alpha Cronbachs Alpha
Based on Standardized
Items N of Items
.932 .932
23
Item Statistics
Mean Std. Deviation
N Butir1
3.80 .664
30 Butir2
3.53 .681
30 Butir3
3.60 .675
30 Butir4
3.23 .504
30 Butir5
3.83 .648
30 Butir7
3.83 .592
30 Butir8
3.53 .571
30 Butir9
3.23 .504
30 Butir10
3.50 .630
30 Butir11
3.63 .718
30 Butir12
3.57 .679
30 Butir13
3.83 .699
30 Butir14
4.00 .587
30 Butir15
3.80 .551
30 Butir16
3.83 .592
30 Butir17
3.73 .691
30 Butir18
3.80 .664
30 Butir20
3.53 .571
30 Butir21
3.77 .626
30 Butir22
3.77 .626
30 Butir24
3.63 .718
30 Butir25
3.97 .718
30 Butir26
3.60 .675
30
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