94
Lampiran 4 Hasil Validitas dan Reliabilitas Skala Penelitian
A. Skala Dukungan Sosial Orang Tua
Keterangan: Angka yang bercetak tebal adalah item yang gugur Item-Total Statistics
Scale Mean if Item Deleted
Scale Variance if Item Deleted
Corrected Item- Total Correlation
Cronbachs Alpha if Item Deleted
item1 68.98
82.191 .612
.887 item2
69.32 84.346
.469 .890
item3 69.74
83.239 .494
.890 item4
69.47 84.465
.372 .893
item5 69.42
82.289 .524
.889 item6
69.07 81.899
.552 .888
item7 68.82
82.914 .656
.886 item8
68.98 83.446
.441 .891
item9 69.00
85.043 .484
.890 item10
68.98 83.851
.496 .889
item11 69.08
84.610 .461
.890 item12
69.05 84.455
.481 .890
item13 68.91
84.555 .527
.889 item14
68.83 83.844
.655 .887
item15 69.01
85.840 .330
.894 item16
68.97 83.967
.532 .889
item17 68.95
84.412 .500
.889
item18 69.06
89.422 .076
.900
item19 68.67
84.988 .524
.889 item20
69.06 82.315
.699 .885
item21 69.61
83.496 .520
.889 item22
69.39 82.240
.597 .887
item23 68.97
86.712 .271
.895 item24
69.32 82.793
.494 .890
Reliability Statistics
Cronbachs Alpha
N of Items .894
24
95
B. Skala Harga Diri
Keterangan: Angka yang bercetak tebal adalah item yang gugur Item-Total Statistics
Scale Mean if Item Deleted
Scale Variance if Item Deleted
Corrected Item- Total
Correlation Cronbachs Alpha if
Item Deleted item1
64.36 26.126
.238 .604
item2 64.16
26.922 .035
.625
item3 64.35
24.463 .460
.579
item4 63.77
26.137 .159
.611
item5 64.07
23.537 .497
.568
item6 64.36
27.126 .012
.626 item7
65.20 28.736
-.226 .649
item8 64.24
24.058 .410
.579 item9
64.41 23.266
.500 .565
item10 65.21
24.657 .145
.622 item11
64.93 27.771
-.101 .650
item12 64.01
25.159 .294
.595
item13 64.45
27.527 -.035
.627
item14 64.03
25.456 .371
.592 item15
64.46 25.017
.272 .597
item16 64.32
24.091 .577
.569
item17 64.54
27.102 .007
.628
item18 64.25
25.595 .254
.601
item19 64.52
25.806 .185
.608
item20 64.15
25.382 .281
.597
item21 64.54
25.698 .196
.607
item22 64.09
24.980 .381
.588
item23 65.00
26.489 .037
.631
Reliability Statistics
Cronbach s Alpha
N of Items .617
23
96
Lampiran 5 A.
Hasil Uji Asumsi Klasik A.1 Uji Normalitas
97
A.2 Uji Multikolinearitas
A.3 Uji Heteroskedastisitas
One-Sample Kolmogorov-Smirnov Test
Prestasi Belajar Dukungan Sosial
Orang tua Harga Diri
N 95
95 95
Normal Parameters
a,,b
Mean .00016471
72.12 67.29
Std. Deviation .000011094
9.545 5.345
Most Extreme Differences Absolute
.130 .066
.092 Positive
.067 .055
.085 Negative
-.130 -.066
-.092 Kolmogorov-Smirnov Z
1.264 .644
.894 Asymp. Sig. 2-tailed
.082 .800
.401 a. Test distribution is Normal.
b. Calculated from data.
Coefficients
a
Model Collinearity Statistics
Tolerance VIF
1 Dukungan Sosial
Orang Tua .734
1.363 Harga Diri
.734 1.363
a. Dependent Variable: Prestasi Belajar
98
A.4 Uji Linearitas Uji Linearitas Dukungan Sosial Orang Tua dan Prestasi Belajar
ANOVA Table
Sum of Squares
df Mean
Square F
Sig. Prestasi Belajar
Dukungan Sosial Orang Tua
Between Groups Combined
.000 35
.000 .973
.526 Linearity
.000 1
.000 .758
.387 Deviation
from Linearity
.000 34
.000 .979
.516 Within Groups
.000 59
.000 Total
.000 94
Uji Linearitas Harga Diri dan Prestasi Belajar
ANOVA Table
Sum of Squares
df Mean
Square F
Sig. Prestasi
Belajar Harga Diri
Between Groups Combined
.000 23
.000 1.081
.387 Linearity
.000 1
.000 4.058
.048 Deviation
from Linearity
.000 22
.000 .946
.539 Within Groups
.000 71
.000 Total
.000 94
99
Lampiran 6 Hasil Analisis Regresi Berganda Dukungan Sosial Orang Tua dan
Harga Diri terhadap Prestasi Belajar.
Lampiran 7 Hasil Analisis Regresi Berganda Uji Signifikansi Simultan Uji
Statistik F Dukungan Sosial Orang Tua dan Harga Diri terhadap Prestasi Belajar
Model Summary
b
Model R
R Square Adjusted R
Square Std. Error of the
Estimate Durbin-Watson
1 .201
a
.041 .020
.000010984 1.902
a. Predictors: Constant, Harga Diri, Dukungan Sosial Orang tua b. Dependent Variable: Prestasi Belajar
ANOVA
b
Model Sum of Squares
df Mean Square
F Sig.
1 Regression
.000 2
.000 1.942
.149
a
Residual .000
92 .000
Total .000
94 a. Predictors: Constant, Harga Diri, Dukungan Sosial Orang tua
b. Dependent Variable: Prestasi Belajar
100
101
Lampiran 8 Data Mentah Uji Coba Alat Ukur Penelitian
A. Dukungan Sosial Orang Tua
DATA HASIL REKAPITULASI JAWABAN 43 RESPONDEN No.
Dukungan Sosial Orang Tua
1 2 3 4 5 6 7 8 9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25
1
4 3 3 3 4 4 4 3 3 4
4 3
4 3
4 4
2 3
4 4
3 3
3 3
4
2
2 4 1 1 1 2 4 1 4 2
2 3
4 4
3 2
3 3
4 3
3 2
2 4
2
3
4 4 4 4 3 3 3 3 3 2
3 3
4 4
4 4
4 4
3 4
4 3
4 4
4
4
3 4 4 3 3 2 4 3 3 3
3 4
4 3
4 2
3 2
3 4
4 4
3 2
3
5
3 2 2 2 2 3 3 3 3 3
3 3
3 3
3 3
3 3
3 3
2 2
3 3
3
6
3 4 2 4 3 4 4 4 4 4
3 4
4 4
4 4
4 4
4 4
4 3
4 4
3
7
2 3 2 3 3 3 3 4 3 2
3 4
4 4
3 4
4 4
3 3
4 2
4 3
4
8
4 4 4 4 4 2 4 3 4 4
3 4
3 4
4 3
4 3
4 4
4 4
4 4
4
9
4 2 4 4 2 3 4 3 4 4
4 4
3 4
4 1
4 3
4 4
2 4
4 4
4
10
4 3 3 2 3 4 3 4 4 2
3 4
4 4
4 4
3 4
4 4
4 3
4 4
3
11
3 3 1 1 2 4 3 4 3 4
3 3
4 3
3 4
3 3
4 3
3 3
3 4
4
12
3 3 3 3 3 4 4 4 4 2
3 3
4 3
3 3
4 4
4 4
4 3
4 3
3
13
2 1 1 2 2 3 3 3 3
3
3 3
4 3
4 3
3 4
4 4
4 1
4 3
3
14
2 2 2 2 2 2 2 2 2 2
2 2
2 2
2 2
2 2
3 3
2 2
2 2
2
102
15
3 3 2 2 2 3 3 3 3 2
3 3
3 3
3 3
3 3
4 4
3 2
3 3
2
16
4 3 2 3 3 3 4 4 3 4
4 4
3 4
4 4
4 2
4 4
4 4
4 1
4
17
3 3 3 2 2 2 3 2 2 2
3 3
2 3
3 3
3 3
3 3
3 2
2 3
3
18
1 1 1 4 1 4 1 4 1 1
1 4
4 4
4 4
4 4
4 4
4 1
4 4
4
19
3 3 3 4 4 4 4 4 3 4
3 4
3 4
3 4
4 4
4 4
4 3
3 4
3
20
3 2 3 2 3 3 4 2 3 1
3 4
3 3
3 2
3 3
3 4
3 3
3 3
2
21
2 2 3 1 4 1 2 2 2 3
3 2
1 2
3 1
2 3
3 3
3 3
3 3
1
22
2 3 2 3 2 2 3 4 3 4
4 4
3 3
3 3
3 3
3 3
3 3
3 3
3
23
4 4 4 4 3 3 4 3 3 4
4 4
3 4
4 4
4 4
4 3
4 3
4 4
4
24
4 3 1 3 2 2 3 4 3 2
3 3
3 4
3 4
2 4
2 3
3 2
2 4
3
25
4 3 4 2 2 2 4 3 2 2
2 4
2 4
3 3
4 2
4 4
2 2
2 1
2
26
2 3 1 3 3 4 4 4 3 1
4 3
4 4
3 4
4 4
4 4
3 2
2 4
3
27
4 3 1 2 2 2 4 1 3 1
3 4
2 2
4 2
3 3
2 4
4 1
2 4
2
28
4 4 3 4 2 4 4 1 4 4
4 3
2 4
4 2
4 4
4 4
4 2
3 4
4
29
3 4 2 2 3 4 4 4 3 2
4 4
4 4
4 4
3 3
4 4
4 3
3 4
3
30
3 3 3 3 2 3 3 2 3 3
3 3
4 2
3 3
3 3
3 3
3 4
4 3
3
31
3 3 3 4 2 2 3 4 3 3
3 4
3 4
3 3
4 4
3 3
3 2
2 4
4
32
3 3 3 3 2 2 2 3 3 3
4 3
4 3
4 4
4 4
2 4
4 3
3 4
3
33
2 3 2 1 2 3 2 4 3 4
2 3
3 3
3 4
2 3
4 4
3 3
2 3
4
34
4 4 3 2 2 4 3 4 4 3
4 4
4 4
4 4
3 4
4 4
4 3
3 3
3
35
3 2 4 4 2 3 3 3 3 4
4 2
1 3
3 4
3 2
2 3
2 3
2 4
2
36
3 3 2 3 3 3 3 4 4 4
4 4
4 3
3 4
4 4
4 4
4 2
4 4
3
37
3 2 2 2 2 3 3 3 2 2
3 3
3 3
3 2
3 3
3 3
2 2
3 1
2
103
Keterangan: Angka yang bercetak tebal adalah item yang gugur 38
3 3 2 3 2 3 3 3 3 2
4 4
2 4
4 3
4 2
3 4
4 4
3 3
4
39
4 4 2 4 1 2 3 4 4 3
3 4
3 3
2 2
4 4
4 4
4 2
4 4
4
40
4 2 2 4 1 2 2 4 3 2
4 3
4 3
2 3
4 3
3 4
2 2
3 3
1
41
4 4 4 4 4 4 4 4 4 4
4 4
4 4
4 4
4 4
4 4
4 4
4 4
4
42
3 3 3 3 4 3 3 4 4 3
3 3
3 4
4 3
3 3
3 4
3 3
2 4
3
43
3 2 1 1 1 1 1 1 4
4
1 2
3 1
1 3
1 3
4 3
1 1
1 4
1
104
B. Harga Diri
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