140
B. Uji Validitas Tahap Pertama Variabel Motivasi Belajar Siswa. Warnings
The determinant of the covariance matrix is zero or approximately zero. Statistics based on its inverse matrix cannot be computed and they are
displayed as system missing values.
Scale: ALL VARIABLES 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
.846 .846
20
Item Statistics
Mean Std.
Deviation N
Butir_1 4.2667
.58329 30
Butir_2 3.5667
.72793 30
Butir_3 3.7333
.69149 30
Butir_4 4.0000
.52523 30
141
Butir_5 3.7000
.70221 30
Butir_6 3.9667
.55605 30
Butir_7 3.9000
.75886 30
Butir_8 3.7333
.58329 30
Butir_9 3.6333
.71840 30
Butir_10 3.9000
.80301 30
Butir_11 3.7000
.74971 30
Butir_12 4.1667
.64772 30
Butir_13 3.5333
.57135 30
Butir_14 3.7333
.58329 30
Butir_15 4.3000
.70221 30
Butir_16 3.9333
.69149 30
Butir_17 3.8000
.71438 30
Butir_18 3.5333
.68145 30
Butir_19 4.2333
.67891 30
Butir_20 4.0000
.64327 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
Butir_1 73.0667
42.961 .311
. .843
Butir_2 73.7667
39.978 .562
. .833
Butir_3 73.6000
41.490 .417
. .839
Butir_4 73.3333
42.644 .402
. .840
Butir_5 73.6333
41.137 .449
. .838
Butir_6 73.3667
41.689 .513
. .836
Butir_7 73.4333
39.495 .588
. .831
Butir_8 73.6000
41.972 .445
. .838
Butir_9 73.7000
41.941 .346
. .843
Butir_10 73.4333
40.392 .455
. .838
Butir_11 73.6333
40.585 .474
. .837
Butir_12 73.1667
42.006 .387
. .841
142
Butir_13 73.8000
41.269 .556
. .834
Butir_14 73.6000
43.145 .286
. .844
Butir_15 73.0333
41.757 .378
. .841
Butir_16 73.4000
40.938 .482
. .837
Butir_17 73.5333
40.395 .526
. .834
Butir_18 73.8000
40.993 .484
. .836
Butir_19 73.1000
43.541 .187
. .849
Butir_20 73.3333
42.851 .287
. .845
Scale Statistics
Mean Variance
Std. Deviation
N of Items 77.3333
45.678 6.75856
20
C. Uji Validitas Serentak Variabel Persepsi Siswa Terhadap Implementasi Pendekatan Scientific.
Warnings
The determinant of the covariance matrix is zero or approximately zero. Statistics based on its inverse matrix cannot be computed and they are
displayed as system missing values.
Case Processing Summary
N Cases
Valid 278
100.0 Excluded
a
.0 Total
278 100.0
a. Listwise deletion based on all variables in the procedure.
143
Reliability Statistics
Cronbachs Alpha
Cronbachs Alpha Based
on Standardized
Items N of Items
.792 .798
30
Item Statistics
Mean Std. Deviation
N Butir_1
4.0719 .54594
278 Butir_2
4.0108 .57306
278 Butir_3
3.7158 .70211
278 Butir_4
3.9209 .63091
278 Butir_5
3.8597 .64020
278 Butir_6
3.8273 .60596
278 Butir_7
3.9281 .60253
278 Butir_8
3.7554 .68339
278 Butir_9
3.6403 .65827
278 Butir_10
4.2626 .58818
278 Butir_11
4.2518 .56484
278 Butir_12
4.1835 .56888
278 Butir_13
3.9676 .59087
278 Butir_14
3.6799 .57161
278 Butir_15
3.5432 .59171
278 Butir_16
3.5000 .61714
278 Butir_17
4.0971 .65922
278 Butir_18
3.9460 .64766
278 Butir_19
4.0899 .63232
278 Butir_20
3.8489 .62341
278 Butir_21
4.0288 .58800
278 Butir_22
3.8561 .58330
278 Butir_23
4.0683 .66826
278
144
Butir_24 3.7914
.60054 278
Butir_25 3.8237
.59590 278
Butir_26 4.2770
.60585 278
Butir_27 3.9137
.60063 278
Butir_28 4.1223
.60635 278
Butir_29 4.1187
.69314 278
Butir_30 4.1331
.76963 278
145
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
Butir_1 114.1619
48.013 .163
. .792
Butir_2 114.2230
46.311 .372
. .783
Butir_3 114.5180
47.659 .144
. .794
Butir_4 114.3129
46.728 .280
. .787
Butir_5 114.3741
45.318 .443
. .780
Butir_6 114.4065
45.354 .468
. .779
Butir_7 114.3058
46.466 .331
. .785
Butir_8 114.4784
46.633 .262
. .788
Butir_9 114.5935
47.787 .145
. .793
Butir_10 113.9712
46.418 .347
. .784
Butir_11 113.9820
45.989 .422
. .781
Butir_12 114.0504
47.391 .234
. .789
Butir_13 114.2662
45.842 .419
. .781
Butir_14 114.5540
46.421 .359
. .784
Butir_15 114.6906
46.142 .380
. .783
Butir_16 114.7338
47.041 .251
. .788
Butir_17 114.1367
46.949 .239
. .789
Butir_18 114.2878
46.422 .306
. .786
Butir_19 114.1439
45.611 .414
. .781
Butir_20 114.3849
46.043 .368
. .783
Butir_21 114.2050
45.817 .425
. .781
Butir_22 114.3777
46.640 .322
. .785
Butir_23 114.1655
46.593 .275
. .788
Butir_24 114.4424
46.500 .328
. .785
Butir_25 114.4101
46.857 .286
. .787
Butir_26 113.9568
47.789 .166
. .792
Butir_27 114.3201
46.132 .374
. .783
Butir_28 114.1115
46.836 .282
. .787
Butir_29 114.1151
47.929 .118
. .795
Butir_30 114.1007
47.224 .163
. .794
146
Scale Statistics
Mean Variance
Std. Deviation
N of Items 1.1823E2
49.544 7.03878
30
D. Uji Validitas Serentak Variabel Motivasi Belajar Siswa.