109 Lampiran 4. Hasil Uji Daya Beda dan Reabilitas
c. Skala Motivasi Berprestasi
Lampiran Hasil Uji Daya Beda Skala Motivasi Berprestasi
Item-Total Statistics
Scale Mean if Item Deleted
Scale Variance if Item Deleted
Corrected Item- Total Correlation
Cronbachs Alpha if Item Deleted
Butir_1 89.23
127.916 .455
.808 Butir_2
89.62 130.356
.393 .811
Butir_3 89.55
126.516 .406
.809 Butir_4
88.97 129.470
.408 .810
Butir_5 90.03
129.323 .328
.812 Butir_6
89.28 131.585
.096 .829
Butir_7 89.29
129.415 .369
.811 Butir_8
89.03 133.676
.183 .817
Butir_9 90.13
126.056 .401
.809 Butir_10
89.04 126.101
.540 .805
Butir_11 88.81
132.126 .278
.814 Butir_12
88.99 135.838
.071 .821
Butir_13 89.29
127.297 .464
.807 Butir_14
89.14 128.832
.362 .811
Butir_15 89.12
125.192 .566
.804 Butir_16
89.58 132.541
.185 .818
Butir_17 88.88
126.104 .613
.803 Butir_18
89.39 126.153
.547 .805
Butir_19 89.99
140.367 -.143
.829 Butir_20
88.75 129.865
.376 .811
Butir_21 89.22
129.202 .364
.811 Butir_22
89.46 135.899
.040 .823
Butir_23 89.07
123.980 .606
.802 Butir_24
88.77 129.004
.430 .809
Butir_25 89.61
127.565 .386
.810 Butir_26
89.61 137.477
-.022 .825
110
Butir_27 89.22
123.761 .628
.801 Butir_28
89.07 134.656
.107 .820
Butir_29 88.81
129.155 .392
.810 Butir_30
89.13 127.380
.405 .809
Butir Soal Hasil
Keterangan 1
0,455 LAYAK
2 0,393
LAYAK 3
0,406 LAYAK
4 0,408
LAYAK 5
0,328 LAYAK
6 0,098
TIDAK LAYAK 7
0,369 LAYAK
8 0,183
TIDAK LAYAK 9
0,401 LAYAK
10 0,540
LAYAK 11
0,278 TIDAK LAYAK
12 0,071
TIDAK LAYAK 13
0,464 LAYAK
14 0,362
LAYAK 15
0,566 LAYAK
16 0,185
TIDAK LAYAK 17
0,613 LAYAK
18 0,547
LAYAK 19
-0,143 TIDAK LAYAK
20 0,376
LAYAK 21
0,364 LAYAK
22 0,040
TIDAK LAYAK 23
0,606 LAYAK
24 0,430
LAYAK 25
0,386 LAYAK
26 -0,022
TIDAK LAYAK 27
0,628 LAYAK
28 0,107
TIDAK LAYAK 29
0,392 LAYAK
30 0,405
LAYAK
Lampiram Hasil Uji Reabilitas Skala Motivasi Berprestasi
Reliability Statistics
Cronbachs Alpha
N of Items .817
30
111
d. Tes Hasil Belajar Matematika Bangun Ruang
Lampiran Hasil Uji Daya Beda Tes Matematika Bangun Ruang
Item-Total Statistics
Scale Mean if Item Deleted
Scale Variance if Item Deleted
Corrected Item- Total Correlation
Cronbachs Alpha if Item Deleted
Butir_1 26.49
42.460 .477
.858 Butir_2
26.72 41.085
.498 .856
Butir_3 26.51
42.283 .487
.857 Butir_4
26.48 43.371
.251 .861
Butir_5 26.74
41.402 .438
.857 Butir_6
26.48 43.459
.225 .861
Butir_7 26.55
43.928 .053
.864 Butir_8
26.97 43.352
.107 .865
Butir_9 27.00
42.441 .251
.862 Butir_10
26.57 43.543
.128 .863
Butir_11 26.61
42.124 .383
.858 Butir_12
26.86 41.802
.347 .859
Butir_13 26.90
41.592 .378
.858 Butir_14
26.49 42.371
.501 .857
Butir_15 26.55
41.575 .569
.855 Butir_16
26.52 42.253
.464 .857
Butir_17 26.51
42.665 .389
.859 Butir_18
26.54 42.958
.277 .860
Butir_19 26.72
40.938 .524
.855 Butir_20
26.87 42.086
.302 .860
Butir_21 26.86
41.832 .343
.859 Butir_22
26.49 43.312
.244 .861
Butir_23 26.70
41.862 .378
.858 Butir_24
26.99 40.985
.482 .856
Butir_25 26.90
41.210 .439
.857 Butir_26
26.77 41.622
.392 .858
Butir_27 26.59
42.392 .342
.859
112
Butir_28 27.32
44.809 -.154
.867 Butir_29
26.62 41.885
.418 .858
Butir_30 26.68
41.044 .530
.855 Butir_31
26.62 41.121
.565 .854
Butir_32 26.80
41.046 .479
.856 Butir_33
26.72 41.379
.448 .857
Butir_34 26.93
41.745 .355
.859 Butir_35
26.67 41.755
.412 .858
Butir_36 26.57
43.867 .062
.864 Butir_37
26.94 42.085
.302 .860
Butir_38 27.04
42.983 .171
.863 Butir_39
27.07 43.156
.148 .864
Butir_40 26.48
42.812 .416
.859
Butir Soal Hasil
Keterangan 1
0,477 LAYAK
2 0,498
LAYAK 3
0,487 LAYAK
4 0,251
TIDAK LAYAK 5
0,438 LAYAK
6 0,225
TIDAK LAYAK 7
0,053 TIDAK LAYAK
8 0,107
TIDAK LAYAK 9
0,251 TIDAK LAYAK
10 0,128
TIDAK LAYAK 11
0,383 LAYAK
12 0,347
LAYAK 13
0,378 LAYAK
14 0,501
LAYAK 15
0,569 LAYAK
16 0,464
LAYAK 17
0,389 LAYAK
18 0,277
TIDAK LAYAK 19
0,524 LAYAK
20 0,302
LAYAK 21
0,343 LAYAK
22 0,244
TIDAK LAYAK 23
0,378 LAYAK
24 0,482
LAYAK 25
0,439 LAYAK
26 0,392
LAYAK
113
27 0,342
LAYAK 28
-0,154 TIDAK LAYAK
29 0,418
LAYAK 30
0,530 LAYAK
31 0,565
LAYAK 32
0,479 LAYAK
33 0,448
LAYAK 34
0,355 LAYAK
35 0,412
LAYAK 36
0,062 TIDAK LAYAK
37 0,302
LAYAK 38
0,171 TIDAK LAYAK
39 0,148
TIDAK LAYAK 40
0,416 LAYAK
Lampiram Hasil Uji Reabilitas Tes Matematika Bangun Ruang
Reliability Statistics
Cronbachs Alpha
N of Items .862
40
114 Lampiran 5. Instrumen Penelitian
a. Skala Motivasi Berprestasi