Table 1 Descriptive statistics, bivariate correlations, and reliability coefficients

1. Science achievement

—

2. Science self-concept

0.31**

—

3. Intrinsic motivation to learn science

0.27**

0.69**

—

4. Instrumental motivation to learn science

0.17**

0.47**

0.64**

—

5. Family socioeconomic status

0.21**

0.15**

0.13**

0.13**

—

6. Gender

0.15**

0.10**

0.09**

0.04**

0.01*

—

M

414.08

10.15

10.00

10.45

10.29

0.50

SD

103.52

1.91

2.08

2.01

1.45

0.50

α

0.81

0.90

0.92