3. Mempersiapkan Tabel Tabulasi Jawaban.
4. Nilai korelasi antara data pada masing-masing persyaratan dengan skor total
dihitung memakai rumus teknik korelasi Product Moment yang rumusnya sebagai berikut:
Di mana:
r
xy
= korelasi momen tangkar
n =
cacah subjek uji coba
Ó
X =
jumlah X skor butir
Ó
X
2
= jumlah X kuadrat
Ó
Y =
jumlah Y skor faktor
Ó
Y
2
= jumlah Y kuadrat
Ó
XY =
jumlah perkalian X dan Y
1. Uji Validitas Bukti Fisik
Uji validitas dilakukan dengan menghitung korelasi antara skor masing- masing butir pertanyaan dan total skor. Dari Tabel 3.5 di bawah terlihat bahwa
korelasi antara pertanyaan 1, 2, 3, 4, 5, 6, 7, 8, 9, dan 10 terhadap total skor bukti fisik menunjukkan hasil yang signifikan yaitu nilai Pearson Correlation 0.3 sehingga
dapat disimpulkan semua butir pertanyaan bukti fisik adalah valid.
Universitas Sumatera Utara
Tabel 3.5. Uji Validitas Pertanyaan Bukti Fisik X
1 Correlations
X1_1 X1_2
X1_3 X1_4
X1_5 X1_6
X1_7 X1_8
X1_9 X1_10
Jumlah X1_1
Pearson Correlation 1
.104 .090
-.167 .175
-.065 .577
.053 .802
.469 .641
Sig. 2-tailed .585
.637 .377
.356 .732
.001 .782
.000 .009
.000 N
30 30
30 30
30 30
30 30
30 30
30 X1_2
Pearson Correlation .104
1 .803
.464 .080
.177 -.144
.234 .168
.181 .491
Sig. 2-tailed .585
.000 .010
.673 .350
.447 .214
.375 .337
.006 N
30 30
30 30
30 30
30 30
30 30
30 X1_3
Pearson Correlation .090
.803 1
.516 .146
.330 -.225
.258 .116
.106 .490
Sig. 2-tailed .637
.000 .003
.442 .075
.233 .169
.541 .577
.006 N
30 30
30 30
30 30
30 30
30 30
30 X1_4
Pearson Correlation -.167
.464 .516
1 .336
.469 -.061
.298 -.007
.235 .470
Sig. 2-tailed .377
.010 .003
.070 .009
.749 .110
.972 .212
.009 N
30 30
30 30
30 30
30 30
30 30
30 X1_5
Pearson Correlation .175
.080 .146
.336 1
.151 .187
.147 .349
.136 .487
Sig. 2-tailed .356
.673 .442
.070 .425
.323 .437
.059 .474
.006 N
30 30
30 30
30 30
30 30
30 30
30 X1_6
Pearson Correlation -.065
.177 .330
.469 .151
1 -.063
.330 .053
.321 .423
Sig. 2-tailed .732
.350 .075
.009 .425
.742 .074
.782 .084
.020 N
30 30
30 30
30 30
30 30
30 30
30 X1_7
Pearson Correlation .577
-.144 -.225
-.061 .187
-.063 1
-.222 .546
.326 .422
Sig. 2-tailed .001
.447 .233
.749 .323
.742 .237
.002 .078
.020 N
30 30
30 30
30 30
30 30
30 30
30 X1_8
Pearson Correlation .053
.234 .258
.298 .147
.330 -.222
1 .182
.343 .492
Sig. 2-tailed .782
.214 .169
.110 .437
.074 .237
.335 .064
.006 N
30 30
30 30
30 30
30 30
30 30
30 X1_9
Pearson Correlation .802
.168 .116
-.007 .349
.053 .546
.182 1
.522 .765
Sig. 2-tailed .000
.375 .541
.972 .059
.782 .002
.335 .003
.000 N
30 30
30 30
30 30
30 30
30 30
30 X1_10 Pearson Correlation
.469 .181
.106 .235
.136 .321
.326 .343
.522 1
.703 Sig. 2-tailed
.009 .337
.577 .212
.474 .084
.078 .064
.003 .000
N 30
30 30
30 30
30 30
30 30
30 30
Jumlah Pearson Correlation .641
.491 .490
.470 .487
.423 .422
.492 .765
.703 1
Sig. 2-tailed .000
.006 .006
.009 .006
.020 .020
.006 .000
.000 N
30 30
30 30
30 30
30 30
30 30
30 . Correlation is significant at the 0.01 level 2-tailed.
. Correlation is significant at the 0.05 level 2-tailed.
Sumber : Hasil Penelitian 2011, data diolah
Universitas Sumatera Utara
2.
Uji Validitas Keandalan Tabel 3.6. Uji Validitas Pertanyaan Keandalan X
2
Correlations
X2_11 X2_12
X2_13 X2_14
X2_15 Jumlah
X2_11 Pearson Correlation
1 .363
.569 .226
.616 .767
Sig. 2-tailed .048
.001 .229
.000 .000
N 30
30 30
30 30
30 X2_12
Pearson Correlation .363
1 .408
.570 .469
.694 Sig. 2-tailed
.048 .025
.001 .009
.000 N
30 30
30 30
30 30
X2_13 Pearson Correlation
.569 .408
1 .322
.835 .866
Sig. 2-tailed .001
.025 .083
.000 .000
N 30
30 30
30 30
30 X2_14
Pearson Correlation .226
.570 .322
1 .304
.554 Sig. 2-tailed
.229 .001
.083 .103
.002 N
30 30
30 30
30 30
X2_15 Pearson Correlation
.616 .469
.835 .304
1 .884
Sig. 2-tailed .000
.009 .000
.103 .000
N 30
30 30
30 30
30 Jumlah Pearson Correlation
.767 .694
.866 .554
.884 1
Sig. 2-tailed .000
.000 .000
.002 .000
N 30
30 30
30 30
30 . Correlation is significant at the 0.05 level 2-tailed.
. Correlation is significant at the 0.01 level 2-tailed.
Sumber : Hasil Penelitian 2011, data diolah
Dari Tabel 3.6 di atas terlihat bahwa korelasi antara pertanyaan 11, 12, 13, 14, dan 15 terhadap total skor keandalan menunjukkan hasil yang signifikan yaitu nilai
Pearson Correlation 0.3 sehingga dapat disimpulkan semua butir pertanyaan keandalan adalah valid.
Universitas Sumatera Utara
3.
Uji Validitas Daya Tanggap Tabel 3.7. Uji Validitas Pertanyaan Daya Tanggap X
3
Correlations
X3_16 X3_17
X3_18 Jumlah
X3_16 Pearson Correlation
1 .760
.125 .830
Sig. 2-tailed .000
.510 .000
N 30
30 30
30 X3_17
Pearson Correlation .760
1 .339
.926 Sig. 2-tailed
.000 .067
.000 N
30 30
30 30
X3_18 Pearson Correlation
.125 .339
1 .572
Sig. 2-tailed .510
.067 .001
N 30
30 30
30 Jumlah
Pearson Correlation .830
.926 .572
1 Sig. 2-tailed
.000 .000
.001 N
30 30
30 30
. Correlation is significant at the 0.01 level 2-tailed.
Sumber: Hasil Penelitian 2011, data diolah
Dari Tabel 3.7 di atas terlihat bahwa korelasi antara pertanyaan 16, 17, dan 18 terhadap total skor daya tanggap menunjukkan hasil yang signifikan yaitu nilai
Pearson Correlation 0.3 sehingga dapat disimpulkan semua butir pertanyaan daya tanggap adalah valid.
Universitas Sumatera Utara
4.
Uji Validitas Jaminan Tabel 3.8. Uji Validitas Pertanyaan Jaminan X
4
Correlations
X4_19 X4_20
X4_21 X4_22
Jumlah X4_19
Pearson Correlation
1 .094
.109 .271
.503 Sig. 2-tailed
.620 .566
.148 .005
N 30
30 30
30 30
X4_20 Pearson
Correlation .094
1 .376
.368 .667
Sig. 2-tailed .620
.041 .046
.000 N
30 30
30 30
30 X4_21
Pearson Correlation
.109 .376
1 .352
.770 Sig. 2-tailed
.566 .041
.057 .000
N 30
30 30
30 30
X4_22 Pearson
Correlation .271
.368 .352
1 .713
Sig. 2-tailed .148
.046 .057
.000 N
30 30
30 30
30 Jumlah
Pearson Correlation
.503 .667
.770 .713
1 Sig. 2-tailed
.005 .000
.000 .000
N 30
30 30
30 30
. Correlation is significant at the 0.01 level 2-tailed. . Correlation is significant at the 0.05 level 2-tailed.
Sumber: Hasil Penelitian 2011, data diolah
Dari Tabel 3.8 di atas terlihat bahwa korelasi antara pertanyaan 19, 20, 21, dan 22 terhadap total skor jaminan menunjukkan hasil yang signifikan yaitu nilai Pearson
Correlation 0.3 sehingga dapat disimpulkan semua butir pertanyaan jaminan adalah valid.
Universitas Sumatera Utara
5.
Uji Validitas Empati Tabel 3.9. Uji Validitas Pertanyaan Empati X
5
Correlations
X5_23 X5_24
X5_25 X5_26
X5_27 Jumlah
X5_23 Pearson
Correlation 1
.700 .506
.118 .374
.784 Sig. 2-tailed
.000 .004
.536 .042
.000 N
30 30
30 30
30 30
X5_24 Pearson
Correlation .700
1 .480
.446 .140
.788 Sig. 2-tailed
.000 .007
.013 .460
.000 N
30 30
30 30
30 30
X5_25 Pearson
Correlation .506
.480 1
.389 .230
.676 Sig. 2-tailed
.004 .007
.034 .222
.000 N
30 30
30 30
30 30
X5_26 Pearson
Correlation .118
.446 .389
1 .278
.621 Sig. 2-tailed
.536 .013
.034 .136
.000 N
30 30
30 30
30 30
X5_27 Pearson
Correlation .374
.140 .230
.278 1
.624 Sig. 2-tailed
.042 .460
.222 .136
.000 N
30 30
30 30
30 30
Jumlah Pearson
Correlation .784
.788 .676
.621 .624
1 Sig. 2-tailed
.000 .000
.000 .000
.000 N
30 30
30 30
30 30
. Correlation is significant at the 0.01 level 2-tailed. . Correlation is significant at the 0.05 level 2-tailed.
Sumber: Hasil Penelitian 2011, data diolah
Dari Tabel 3.9 di atas terlihat bahwa korelasi antara pertanyaan 23, 24, 25, 26, dan 27 terhadap total skor empati menunjukkan hasil yang signifikan yaitu nilai
Universitas Sumatera Utara
Pearson Correlation 0.3 sehingga dapat disimpulkan semua butir pertanyaan empati adalah valid.
6. Uji Validitas Kepuasan Tabel 3.10. Uji Validitas Pertanyaan Kepuasan Y