THE EFFECT OF HIGHER ORDER THINKING QUESTIONS IN BIOLOGY PRACTICAL WORKSHEETS TO STUDENTS LEARNING ACHIEVEMENT ON ECOSYSTEM TOPIC OF GRADE X SMA NEGERI 2 BINJAI ACADEMIC YEAR 2015/2016

The study was aimed to investigate the effect of higher order thinking
questionsin biology practical worksheets to students learning achievement on
ecosystem topic. The type of the research was quasi experiment and pre-test and
post-test were applied. The population of the research is grade X of SMA Negeri
2 Binjai academic year 2015/2016. The samples consist of two groups and were
selected randomly, grade X PMS 2 as control group (n=36 students) and X PMS 4
as experiment group (n=36 students). Learning method in both groups was
practical. For experimental group, the learning process used the revisedworksheets
and the control group used the student’s handbook. Multiple choice
questions were the instrument to collect the cognitive data and questionnaires
were used to assess the psychomotor aspect of the student achievement.
Hypothesis was tested by t-test. The post-test result showed that, the average score
in experimental group (85.72) was higher than control group (78.61). tcount (5.64)
> ttable (1.994) (with α=0.05 and df=70). The psychomotor assessment revealed
that the score of experimental group (90.02) was higher than control group (78.5).
tcount (7.32) > ttable (1.994) (with α=0.05 and df=70). Based on the data from
research result used tcount> ttable then H0 was rejected and Ha was accepted. It
means that there is a significant effect of providing higher order thinking
questionsin biology practical worksheets to students learning achievement on
ecosystem topic ofgrade X SMA Negeri 2 Binjai academic year 2015/2016.