A. UJI DAYA BEDA AITEM RELIABILITAS SKALA PERSEPSI IKLIM SEKOLAH
PENGOLAHAN I
Reliability Statistics
Cronbachs Alpha
Cronbachs Alpha Based on
Standardized Items
N of Items .920
.921 52
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 Aitem1
113.96 252.887
.447 .
.918
Aitem2 114.67
256.021 .179
. .921
Aitem3 114.20
248.970 .530
. .917
Aitem4 114.29
252.188 .394
. .919
Aitem5 114.19
256.984 .169
. .920
Aitem6 115.40
251.354 .308
. .920
Aitem7 114.66
250.449 .376
. .919
Aitem8 114.66
247.863 .443
. .918
Aitem9 115.03
251.807 .373
. .919
Aitem10 114.88
251.884 .288
. .920
Aitem11 114.53
247.444 .450
. .918
Aitem12 114.04
253.655 .398
. .919
Aitem13 114.31
250.580 .488
. .918
Aitem14 114.33
252.930 .404
. .919
Aitem15 114.20
253.091 .383
. .919
Aitem16 114.87
248.680 .555
. .917
Aitem17 114.26
248.639 .557
. .917
Aitem18 114.47
246.494 .605
. .917
Aitem19 114.17
251.355 .418
. .918
Aitem20 114.82
251.402 .347
. .919
Aitem21 114.51
252.192 .403
. .919
Aitem22 114.72
247.921 .474
. .918
Aitem23 114.25
249.159 .474
. .918
Aitem24 114.46
248.958 .502
. .918
Aitem25 114.59
248.002 .550
. .917
Aitem26 114.37
249.468 .510
. .918
Aitem27 114.77
249.674 .541
. .917
Universitas Sumatera Utara
Aitem28 115.21
264.491 -.185
. .924
Aitem29 114.44
247.017 .541
. .917
Aitem30 114.33
246.668 .612
. .917
Aitem31 114.27
255.633 .237
. .920
Aitem32 114.55
260.997 -.037
. .922
Aitem33 114.64
251.202 .429
. .918
Aitem34 114.43
251.642 .462
. .918
Aitem35 115.10
253.788 .287
. .920
Aitem36 114.55
254.816 .249
. .920
Aitem37 114.88
245.884 .561
. .917
Aitem38 114.49
247.343 .537
. .917
Aitem39 114.29
253.157 .377
. .919
Aitem40 114.49
259.465 .022
. .922
Aitem41 114.38
248.501 .489
. .918
Aitem42 114.36
246.031 .606
. .917
Aitem43 114.56
250.774 .413
. .918
Aitem44 114.94
252.198 .323
. .919
Aitem45 114.27
250.866 .472
. .918
Aitem46 114.43
248.490 .487
. .918
Aitem47 114.27
249.512 .514
. .918
Aitem48 114.39
253.048 .323
. .919
Aitem49 114.46
248.837 .589
. .917
Aitem50 114.75
248.977 .509
. .918
Aitem51 114.56
252.592 .386
. .919
Aitem52 114.62
245.672 .631
. .916
Ket : Aitem yang ditebalkan merupakan aitem dengan koefisien daya beda aitemnya dibawah 0.30 dan merupakan aitem yang gugur
PENGOLAHAN II
Reliability Statistics
Cronbachs Alpha
Cronbachs Alpha Based on
Standardized Items
N of Items .930
.932 43
Universitas Sumatera Utara
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 Aitem1
94.94 223.471
.460 .
.929 Aitem3
95.18 219.644
.548 .
.928 Aitem4
95.27 222.765
.406 .
.929 Aitem6
96.38 221.895
.320 .
.931 Aitem7
95.64 221.546
.368 .
.930 Aitem8
95.64 218.960
.441 .
.929 Aitem9
96.01 223.303
.341 .
.930 Aitem11
95.51 217.929
.474 .
.929 Aitem12
95.02 224.121
.415 .
.929 Aitem13
95.29 221.097
.509 .
.929 Aitem14
95.31 223.428
.421 .
.929 Aitem15
95.18 224.230
.362 .
.930 Aitem16
95.85 219.442
.569 .
.928 Aitem17
95.24 219.275
.577 .
.928 Aitem18
95.45 217.826
.596 .
.928 Aitem19
95.15 221.886
.435 .
.929 Aitem20
95.80 222.788
.324 .
.930 Aitem21
95.49 223.384
.382 .
.930 Aitem22
95.70 218.354
.501 .
.929 Aitem23
95.23 220.462
.460 .
.929 Aitem24
95.44 220.390
.481 .
.929 Aitem25
95.57 219.702
.518 .
.929 Aitem26
95.35 220.795
.491 .
.929 Aitem27
95.75 221.078
.516 .
.929 Aitem29
95.42 218.448
.527 .
.928 Aitem30
95.31 217.731
.617 .
.928 Aitem33
95.62 222.036
.431 .
.929 Aitem34
95.41 222.568
.458 .
.929 Aitem37
95.86 217.253
.553 .
.928 Aitem38
95.47 218.575
.531 .
.928 Aitem39
95.27 224.482
.345 .
.930 Aitem41
95.36 218.556
.534 .
.928 Aitem42
95.34 216.590
.636 .
.927 Aitem43
95.54 221.342
.429 .
.929 Aitem44
95.92 222.680
.337 .
.930 Aitem45
95.25 221.462
.488 .
.929 Aitem46
95.41 218.628
.528 .
.928 Aitem47
95.25 220.432
.517 .
.929 Aitem48
95.37 223.387
.343 .
.930
Universitas Sumatera Utara
Aitem49 95.44
219.703 .598
. .928
Aitem50 95.73
219.795 .518
. .929
Aitem51 95.54
223.120 .400
. .930
Aitem52 95.60
216.566 .646
. .927
B. UJI DAYA BEDA AITEM RELIABILITAS SKALA STUDENT ENGAGEMENT
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