Lampiran 2
1. Reliabilitas Skala Stres Akademik 2. Reliabilitas Skala
Self-Efficacy
Universitas Sumatera Utara
1. Reliabilitas Skala Stres Akademik
Running 1
Case Processing Summary
N Cases
Valid 100
100.0 Excluded
a
.0 Total
100 100.0
a. Listwise deletion based on all variables in the procedure.
Reliability Statistics
Cronbachs Alpha
N of Items .901
64
Item-Total Statistics
Scale Mean if Item Deleted
Scale Variance if Item Deleted
Corrected Item- Total Correlation
Cronbachs Alpha if Item
Deleted VAR00001
158.2600 557.487
.281 .900
VAR00002 158.0600
557.491 .274
.900 VAR00003
158.5500 554.917
.258 .900
VAR00004 157.9600
555.473 .329
.899 VAR00005
158.8800 560.531
.184 .901
VAR00006 158.7700
548.118 .433
.898 VAR00007
157.0900 570.063
-.006 .903
VAR00008 157.7400
556.356 .248
.900 VAR00009
157.7500 554.189
.289 .900
VAR00010 158.9200
554.499 .308
.899 VAR00011
158.1100 548.483
.376 .899
VAR00012 158.1000
552.919 .327
.899
Universitas Sumatera Utara
VAR00013 158.1200
555.480 .340
.899 VAR00014
159.0400 555.877
.371 .899
VAR00015 159.1400
556.849 .313
.899 VAR00016
158.5000 546.232
.462 .898
VAR00017 158.7700
567.734 .073
.901 VAR00018
158.7900 576.976
-.160 .903
VAR00019 159.1700
558.042 .326
.899 VAR00020
159.0800 550.559
.494 .898
VAR00021 159.7400
564.154 .171
.901 VAR00022
158.5900 572.103
-.043 .904
VAR00023 159.1600
555.934 .264
.900 VAR00024
159.4400 557.663
.289 .900
VAR00025 158.5600
547.764 .505
.898 VAR00026
158.3300 554.001
.322 .899
VAR00027 158.6700
548.446 .487
.898 VAR00028
158.2000 550.121
.484 .898
VAR00029 158.1400
542.829 .577
.897 VAR00030
157.6600 558.590
.253 .900
VAR00031 158.1900
552.802 .469
.898 VAR00032
158.2700 563.512
.104 .902
VAR00033 158.8500
544.169 .518
.897 VAR00034
158.1700 551.577
.406 .898
VAR00035 158.8400
554.964 .317
.899 VAR00036
158.2800 548.325
.401 .898
VAR00037 158.1700
565.981 .064
.902 VAR00038
159.7600 559.376
.270 .900
VAR00039 159.7700
560.623 .225
.900 VAR00040
159.3700 567.528
.071 .901
VAR00041 158.5600
547.320 .492
.898 VAR00042
158.8800 557.824
.199 .901
VAR00043 157.8400
543.732 .511
.897 VAR00044
157.7400 555.245
.262 .900
VAR00045 158.0900
545.881 .562
.897
Universitas Sumatera Utara
VAR00046 158.2500
544.593 .591
.897 VAR00047
158.2800 549.699
.536 .898
VAR00048 158.2500
549.442 .477
.898 VAR00049
159.1000 552.636
.442 .898
VAR00050 159.1800
554.695 .428
.899 VAR00051
158.6100 550.139
.495 .898
VAR00052 158.4700
553.141 .354
.899 VAR00053
158.9500 548.654
.445 .898
VAR00054 158.7000
540.152 .544
.897 VAR00055
158.8100 547.974
.415 .898
VAR00056 159.3200
554.523 .364
.899 VAR00057
158.5600 558.309
.233 .900
VAR00058 158.1200
550.935 .425
.898 VAR00059
158.1900 550.620
.423 .898
VAR00060 158.7100
552.572 .349
.899 VAR00061
157.8800 545.238
.521 .897
VAR00062 157.9000
559.828 .221
.900 VAR00063
159.1200 557.379
.288 .900
VAR00064 158.3100
541.691 .568
.897
Scale Statistics
Mean Variance
Std. Deviation N of Items
1.6106E2 571.067
23.89701 64
Universitas Sumatera Utara
Running 2
Case Processing Summary
N Cases
Valid 100
100.0 Excluded
a
.0 Total
100 100.0
a. Listwise deletion based on all variables in the procedure.
Reliability Statistics
Cronbachs Alpha
N of Items .915
40
Item-Total Statistics
Scale Mean if Item Deleted
Scale Variance if Item Deleted
Corrected Item- Total Correlation
Cronbachs Alpha if Item
Deleted VAR00004
98.5400 346.817
.370 .914
VAR00006 99.3500
341.503 .456
.913 VAR00010
99.5000 346.758
.325 .915
VAR00011 98.6900
342.620 .376
.914 VAR00012
98.6800 346.563
.317 .915
VAR00013 98.7000
347.283 .369
.914 VAR00014
99.6200 346.400
.444 .913
VAR00015 99.7200
349.335 .313
.915 VAR00016
99.0800 339.206
.505 .913
VAR00019 99.7500
349.503 .354
.914 VAR00020
99.6600 343.802
.514 .913
VAR00025 99.1400
340.728 .547
.912 VAR00026
98.9100 346.285
.342 .915
VAR00027 99.2500
341.624 .518
.912
Universitas Sumatera Utara
VAR00028 98.7800
343.284 .508
.913 VAR00029
98.7200 339.173
.552 .912
VAR00031 98.7700
346.462 .459
.913 VAR00033
99.4300 341.116
.470 .913
VAR00034 98.7500
345.058 .409
.914 VAR00035
99.4200 349.377
.275 .915
VAR00036 98.8600
344.000 .365
.914 VAR00041
99.1400 341.071
.512 .912
VAR00043 98.4200
338.145 .531
.912 VAR00045
98.6700 340.284
.575 .912
VAR00046 98.8300
339.738 .589
.912 VAR00047
98.8600 343.213
.553 .912
VAR00048 98.8300
342.870 .496
.913 VAR00049
99.6800 344.462
.493 .913
VAR00050 99.7600
346.972 .453
.913 VAR00051
99.1900 343.994
.497 .913
VAR00052 99.0500
345.280 .383
.914 VAR00053
99.5300 344.252
.407 .914
VAR00054 99.2800
335.658 .555
.912 VAR00055
99.3900 343.796
.378 .914
VAR00056 99.9000
347.869 .353
.914 VAR00058
98.7000 344.939
.417 .914
VAR00059 98.7700
343.977 .435
.913 VAR00060
99.2900 345.036
.372 .914
VAR00061 98.4600
341.382 .488
.913 VAR00064
98.8900 338.543
.537 .912
Scale Statistics
Mean Variance
Std. Deviation N of Items
1.0164E2 360.778
18.99416 40
Universitas Sumatera Utara
Running 3
Case Processing Summary
N Cases
Valid 100
100.0 Excluded
a
.0 Total
100 100.0
a. Listwise deletion based on all variables in the procedure.
Reliability Statistics
Cronbachs Alpha
N of Items .915
39
Item-Total Statistics
Scale Mean if Item Deleted
Scale Variance if Item Deleted
Corrected Item- Total Correlation
Cronbachs Alpha if Item
Deleted VAR00004
96.3200 335.735
.367 .914
VAR00006 97.1300
329.993 .466
.913 VAR00010
97.2800 335.678
.322 .915
VAR00011 96.4700
331.524 .375
.914 VAR00012
96.4600 335.301
.319 .915
VAR00013 96.4800
336.212 .366
.914 VAR00014
97.4000 335.232
.444 .913
VAR00015 97.5000
337.990 .317
.915 VAR00016
96.8600 328.101
.506 .913
VAR00019 97.5300
338.171 .358
.914 VAR00020
97.4400 332.431
.522 .913
VAR00025 96.9200
329.307 .557
.912
Universitas Sumatera Utara
VAR00026 96.6900
334.984 .345
.915 VAR00027
97.0300 330.353
.523 .912
VAR00028 96.5600
332.249 .505
.913 VAR00029
96.5000 328.293
.547 .912
VAR00031 96.5500
335.503 .452
.913 VAR00033
97.2100 330.450
.459 .913
VAR00034 96.5300
333.868 .409
.914 VAR00036
96.6400 333.021
.361 .915
VAR00041 96.9200
329.832 .516
.912 VAR00043
96.2000 326.707
.541 .912
VAR00045 96.4500
329.179 .576
.912 VAR00046
96.6100 328.725
.588 .912
VAR00047 96.6400
332.091 .553
.912 VAR00048
96.6100 331.735
.496 .913
VAR00049 97.4600
333.544 .486
.913 VAR00050
97.5400 335.746
.454 .913
VAR00051 96.9700
333.019 .492
.913 VAR00052
96.8300 334.466
.373 .914
VAR00053 97.3100
333.226 .404
.914 VAR00054
97.0600 324.623
.556 .912
VAR00055 97.1700
332.991 .369
.914 VAR00056
97.6800 336.442
.360 .914
VAR00058 96.4800
333.505 .425
.914 VAR00059
96.5500 332.735
.438 .913
VAR00060 97.0700
333.803 .374
.914 VAR00061
96.2400 330.305
.487 .913
VAR00064 96.6700
327.678 .532
.912
Scale Statistics
Mean Variance
Std. Deviation N of Items
99.4200 349.377
18.69164 39
Universitas Sumatera Utara
2. Reliabilitas Skala Self- Efficacy
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