This study analyzed the factors, which teacher's motivation and student's self-efficacy,
influencing student's Intrinsic motivation in accordance with domain-specify and its change in
middle school students by using a sample from Korea Education Longitudinal Study (KELS) data
with second-order latent growth modeling. This results are as follows:
First, teacher's motivation, student's self-efficacy, and student's Intrinsic motivation showed
linear model that their interrelationship between intercept and slope are negative for each subject.
Second, analysis of second-order Latent Growth Models showed that teacher's motivation and
student's self-efficacy are found to be a statistically significant factors on student's Intrinsic
motivation in Korean, English, and Math subjects with growth over a period time. These findings
show that student's Intrinsic motivation in Korean, English, and Math are influenced by his/her
self-efficacy and his/her self-efficacy by his/her subject teacher's motivation. To improve
student's Intrinsic motivation in Korean, English, and Math, teachers should care to motivate
students in their classes.