Selasa, 03 Juli 2012
UJI VALIDITAS DAN RELIABILITAS
LANGKAH-LANGKAH
PENGUJIAN INSTRUMEN
UJI VALIDITAS DAN RELIABILITAS
Oleh: Giri
Mahendra
UJI VALIDITAS
Berikut langkah-langkah uji
validitas. Dengan menggunakan contoh data sebagai berikut:
1.
Uji Validitas dengan menggunakan Contoh Data
Instrumen seperti dibawah ini, biasanya jumlah data minimal 30 responden,
No fasilitas keamanan pelayanan total
1
|
4
|
4
|
5
|
13
|
2
|
2
|
2
|
2
|
6
|
3
|
2
|
2
|
2
|
6
|
4
|
2
|
1
|
1
|
4
|
5
|
5
|
4
|
5
|
14
|
6
|
4
|
3
|
5
|
12
|
7
|
5
|
5
|
5
|
15
|
8
|
2
|
4
|
4
|
10
|
9
|
3
|
3
|
5
|
11
|
10
|
5
|
5
|
4
|
14
|
11
|
1
|
3
|
3
|
7
|
12
|
2
|
4
|
3
|
9
|
13
|
2
|
2
|
4
|
8
|
14
|
5
|
1
|
3
|
9
|
15
|
2
|
4
|
3
|
9
|
16
|
1
|
4
|
2
|
7
|
17
|
2
|
4
|
3
|
9
|
18
|
1
|
1
|
3
|
5
|
19
|
2
|
3
|
3
|
8
|
20
|
2
|
3
|
2
|
7
|
21
|
2
|
4
|
5
|
11
|
22
|
3
|
3
|
3
|
9
|
23
|
3
|
5
|
3
|
11
|
24
|
2
|
2
|
3
|
7
|
25
|
3
|
4
|
5
|
12
|
26
|
1
|
2
|
3
|
6
|
27
|
1
|
3
|
3
|
7
|
28
|
2
|
4
|
4
|
10
|
29
|
1
|
2
|
2
|
5
|
30
|
5
|
4
|
3
|
12
|
Uji deskripsi
Descriptive Statistics
|
||||||
N
|
Minimum
|
Maximum
|
Sum
|
Mean
|
Std. Deviation
|
|
fasilitas
|
30
|
1
|
5
|
77
|
2.57
|
1.357
|
keamanan
|
30
|
1
|
5
|
95
|
3.17
|
1.177
|
pelayanan
|
30
|
1
|
5
|
101
|
3.37
|
1.129
|
total
|
30
|
4
|
15
|
273
|
9.10
|
2.928
|
Valid N
(listwise)
|
30
|
Uji reabilitas
Reliability Statistics
|
|
Cronbach's Alpha
|
N of Items
|
.825
|
4
|
Uji validitas
Correlations
|
|||||
fasilitas
|
keamanan
|
pelayanan
|
total
|
||
fasilitas
|
Pearson
Correlation
|
1
|
.371*
|
.513**
|
.810**
|
Sig.
(2-tailed)
|
.044
|
.004
|
.000
|
||
N
|
30
|
30
|
30
|
30
|
|
keamanan
|
Pearson
Correlation
|
.371*
|
1
|
.497**
|
.765**
|
Sig.
(2-tailed)
|
.044
|
.005
|
.000
|
||
N
|
30
|
30
|
30
|
30
|
|
pelayanan
|
Pearson
Correlation
|
.513**
|
.497**
|
1
|
.823**
|
Sig.
(2-tailed)
|
.004
|
.005
|
.000
|
||
N
|
30
|
30
|
30
|
30
|
|
total
|
Pearson
Correlation
|
.810**
|
.765**
|
.823**
|
1
|
Sig.
(2-tailed)
|
.000
|
.000
|
.000
|
||
N
|
30
|
30
|
30
|
30
|
|
*.
Correlation is significant at the 0.05 level (2-tailed).
|
|||||
**.
Correlation is significant at the 0.01 level (2-tailed).
|
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