Table 6 Lattice Questionnaire for Students` Motivation
No Indicators
Numeral Classifier Total
1 Assiduous in assignments
1, 2, 3 3
2 Dilligent in facing difficulty
4, 5, 6, 7 4
3 Have an interest in the subject
8, 9, 10 3
4 Like to do something by themselves
11, 12, 13 3
5 Easily bored in daily assignments
14, 15, 16 3
6 Able to stand for their argument
17, 18 2
7 Not easly to let their belief argument
19 1
8 Like to find and solve the problems
20 1
Total 20
Source: Sardiman 2011: 83 with modification negative statement
F. Instrument Test
1. Validity Test
According to Suharsimi Arikunto 2010: 211, validity is a measure that indicates the levels of validity or the validity of an instrument. An
instrument is valid if the instrument is able to measure what they want and can reveal the data of the variables studied appropriately. The
calculation of validity test used the computer application program that is SPSS version 16.
According to Suharsimi Arikunto 2010: 213, instrument is valid if r
count
is be consulted by r
table
at significance level of 5 and if the value of r
count
is greater that r
table
or equal to r
table
so the instrument is valid. This research, researcher used 20 students out of sample. Lampiran 4b
halaman 143
Table 7 The Interpretasion of Quetionnaire Validity Study Motivation Before Learning Study Motivation
No. Rcount
Rtable Sugiyono, 2011: 373
Interpretasion
1. 0,613
0,444 VALID
2. 0,322
0,444 INVALID
3. 0,646
0,444 VALID
4. 0.141
0,444 INVALID
5. 0,381
0,444 INVALID
6. 0,739
0,444 VALID
7. 0,550
0,444 VALID
8. 0,829
0,444 VALID
9. 0,537
0,444 VALID
10. 0,673
0,444 VALID
11. 0,609
0,444 VALID
12. 0,521
0,444 VALID
13. 0,605
0,444 VALID
14. 0,413
0,444 INVALID
15. 0,693
0,444 VALID
16. 0,038
0,444 INVALID
17. 0,598
0,444 VALID
18. 0,540
0,444 VALID
19. 0,735
0,444 VALID
20. 0,302
0,444 INVALID
Source: primarry data are processed
Based on the table, there are 14 statements of 20 point statement is valid. Five statements are invalid. The results of the calculations are
based on testing using SPSS version 16. Table 8 The results of the analysis validation of the question form of
motivation learning No
Criteria The
Number of Questionnaire
Total Precentage
1. Valid
1,3,6,7,8,9,10,11,1 2,13
,15,17,18,20 14
70
2. Invalid
2,4,5,14,16,20 6
30 TOTAL
20 100
Source: Primary data are processed
2. Reliabilitas
A technique that is commonly used to examine the internal consistency of a test is Cronbach`s Alpha or Alpha Coefficients. The
application of the techniques is testing the reliability of the scale measuring attitude with three, five, or seven choices. The formula, namely
of :
α
=
� �−
1 −
∑ℴ
� 2
ℴ
� 2
Information : α
= reliabilitas that sought R
= the number of items ∑
ℴ
�
=the variants of items ℴ
�
=variants score total