The information pertaining to data collection tools are used in order to determine the academic performances
according to the learning environments where the experiment and control group students have been applied the
study are given below.
Achievement tests (Pre-Test and Final Test)
Inasmuch as the subject of the research is the students’ participation to the biology course. Academic
achievement test has been prepared according to the goals and attitudes prepared in this subject. The subjects
that are covered by the biology course and the attitude dimension of these subjects have been prepared in
compliance with Bloom’s taxonomy. The achievement test has been prepared as a repetitive test and has been
conducted to the students both before and after the experiment.
Pre-Test: It has been implemented to identify the students’ knowledge before the experimental study. 25 multichoice
questions have been prepared about biology course participation subject with the help of experts’ point of
view. The pre-application of the achievement test have been conducted to 82 students and it has been found out
that KR-20 = 0.69. 4 items whose item discrimination levels are zero or negative have been removed from the
test and the test has been decreased to 21 items and 5 achievement test questions (2, 4, 11, 16 and 18th questions)
whose item discrimination levels are below 0.20 have been corrected. The achievement test has been applied to
54 students who are experiment and control group students. Pre-test item difficulties and item discrimination
have been calculated. Pre-test item difficulty total has been found as 5.6 and pre-test item discrimination total
has been found as 5.35. Achievement test item difficulty and item discrimination levels have been found low.
This situation can be explained with the fact that nearly all of the students’ pre-knowledge about the subject is
inefficient.
Final test: A knowledge test consisting of 21 items and equivalent form to the pre-test has been conducted to the
students to test the students’ knowledge level they acquired after the experimental operation. 54 students who are
in experiment and control groups have participated in the application. The item difficulty total of the final test
has turned out to be 14.72 and the item discrimination total of the final test has turned out to be 7.85. Looking at
the data acquired, it can be said that the final test is of medium difficulty.