Lampiran 7 Uji Reliabilitas
1. Pengetahuan
No
P1 P2
P3 P4
P5 P6
P7 P8
P9 P10
P11 P12
P13 P14
P15 P16
x x
2
1 1
1 1
1 1
1 1
1 1
1 1
11 121
2 1
1 1
1 1
1 1
1 1
1 1
1 12
144 3
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 15
225 4
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
16 256
5 1
1 1
1 1
1 1
1 1
1 10
100 6
1 1
1 1
1 1
1 1
1 1
1 11
121 7
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
16 256
8 1
1 1
1 1
1 1
7 49
9 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 16
256 10
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 15
225 11
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
16 256
12 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
15 225
13 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
15 225
14 1
1 1
1 1
1 1
1 1
1 1
1 1
1 14
196 15
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
16 256
16 1
1 1
1 1
1 1
1 8
64 17
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
16 256
18 1
1 1
1 1
1 1
1 1
1 10
100 19
1 1
1 1
1 1
1 1
1 9
81 20
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 15
225 21
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
16 256
22 1
1 1
1 1
1 1
1 8
64 23
1 1
1 1
1 1
1 1
1 1
1 1
12 144
24 1
1 1
1 1
1 1
1 1
1 1
1 1
1 14
196 25
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 15
225 26
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
16 256
27 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
15 225
28 1
1 1
1 1
1 1
1 1
1 10
100 29
1 1
1 1
1 1
1 1
1 1
1 11
121 30
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 15
225 Σ
x
395 Σx
2
5449
r
11
= �
� �−1
� 1 −
� �−� � . ��
=
�
16 15
� 1 −
13,17 16 −13,17
16 . 8,27
= 1,07 x 1 – 0,282 = 1,07 x 0,718
= 0,768
Universitas Sumatera Utara
2. Sikap
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 N of Items
.756 12
Item Statistics
Mean Std. Deviation
N pernyataan 1
3.77 .430
30 pernyataan 2
3.47 .681
30 pernyataan 3
3.87 .346
30 pernyataan 4
2.87 .937
30 pernyataan 5
3.87 .346
30 pernyataan 6
3.33 .661
30 pernyataan 7
3.37 .765
30 pernyataan 8
3.77 .504
30 pernyataan 9
3.50 .731
30 pernyataan 10
2.80 .925
30 pernyataan 11
3.63 .615
30 pernyataan 12
3.23 .971
30
Universitas Sumatera Utara
Item-Total Statistics
Scale Mean if Item Deleted
Scale Variance if Item Deleted
Corrected Item- Total Correlation
Cronbachs Alpha if Item Deleted
pernyataan 1 37.70
16.493 .590
.729 pernyataan 2
38.00 16.483
.324 .747
pernyataan 3 37.60
16.593 .720
.726 pernyataan 4
38.60 14.938
.404 .741
pernyataan 5 37.60
17.421 .416
.744 pernyataan 6
38.13 15.637
.510 .726
pernyataan 7 38.10
14.852 .560
.717 pernyataan 8
37.70 16.907
.381 .742
pernyataan 9 37.97
16.033 .371
.742 pernyataan 10
38.67 15.195
.373 .745
pernyataan 11 37.83
16.351 .404
.738 pernyataan 12
38.23 16.254
.197 .774
Scale Statistics
Mean Variance
Std. Deviation N of Items
41.47 18.740
4.329 12
Universitas Sumatera Utara
3. Tindakan