32 ∑XY : Total multiple X and Y
∑X : the number of item
∑Y : total score item
∑X
2
: the number of squares score item ∑Y
2
: total squeres score items Source: Arikunto, 2010: 317
a. Validity Test Instrument of Accounting Teacher Interest
Instruments of accounting teacher interest consist of 23 statement, which there were 5 items did not valid. The validity test was carried out
by 30 respondents from accounting education students year 2013. The validity of each item statement can be obtained if r
count
r
table
. The results of showed as below:
Tabel 8. The Results of Validity Test Instrument Accounting Teacher Interest
Item of Statements
r
count
Explanations
1 0,354
VALID 2
0,303 NOT VALID
3 0,398
VALID 4
0,590 VALID
5 0,485
VALID 6
0,658 VALID
7 0,406
VALID 8
0,392 VALID
9 0,509
VALID 10
0,415 VALID
11 0,667
VALID 12
0,662 VALID
13 -0,023
NOT VALID 14
0,051 NOT VALID
15 0,648
VALID 16
0,455 VALID
17 -0,044
NOT VALID 18
0,557 VALID
19 0,385
VALID 20
0,537 VALID
21 0,458
VALID 22
-0,432 NOT VALID
23 0,603
VALID
Source: Data Primary From Calculation, 2016
33
b. Validity Test Instruments of Teacher Profession Perception
Instruments of teacher profession perception consist of
27 statement. Based on the validity test results, there were 8 items did not valid. The
validity test was carried out by 30 respondents from accounting education students level 2013. The formula used the product moment correlation
with an error rate of 10 and r
tabel
0.306. The validity of each item statement can be obtained if r
count
r
table
. The results of showed as below:
Tabel 9. The Results of Validity Test Instruments of Teacher Profession Perception
Item of Statements
r
count
Explanations
1 -0,080
NOT VALID 2
0,680 VALID
3 0,586
VALID 4
0,781 VALID
5 0,774
VALID 6
0,556 VALID
7 0,788
VALID 8
0,178 NOT VALID
9 0,493
VALID 10
0,619 VALID
11 0,480
VALID 12
0,342 VALID
13 0,683
VALID 14
0,312 VALID
15 0,238
NOT VALID 16
0,259 NOT VALID
17 0,396
VALID 18
0,133 NOT VALID
19 0,251
NOT VALID 20
0,478 VALID
21 -0,060
NOT VALID 22
0,531 VALID
23 0,538
VALID 24
0,456 VALID
25 0,370
VALID 26
0,570 VALID
27 0,114
NOT VALID
Source: Data Primary From Calculation, 2016
34
c. Validity Test Instruments Family Environment