AbstractThis study was undertaken to investigate the effectiveness of Cooperative Learning method in
improving reading comprehension. The study intended to find out if the use of Cooperative Learning
method can bring about improvement in the post-test scores after treatment as compared to the
pre-test scores. The one-group pre-test post- test experimental design was adopted in this study in
order to discover the effectiveness of Cooperative Learning method in improving reading
comprehension. Twenty form four students of a National Secondary school served as samples in this
study. At the beginning stage of the experiment, a pre-test was administered to the group of
students. Subsequently the group was exposed to the Cooperative Learning method treatment. At the
final stage of the experiment, a post-test was administered. Data in the form of scores from the
pre-test and post-test were collected to be analyzed. A comparison of mean scores between the
pre-test and pos.....