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Volume :10 Issue : 38 1996      Add To Cart                                                                    Download

The effectiveness of using investigative laboratory approach experiments on junior high school students understanding of the volume displacement concept

Auther : Khalil Ebrahim Shubbar

This study compares the effectiveness of the investigative laboratroy approach experiences with that of parallel instruction involving traditional laboratory experiences for teaching the concept of volume displacement to junior high school students. This study also compares the degree of retention, after 21 days, of both treatment groups.

A sample of 285 class-two (grade 8) students from eight randomly selected classes from Bahrain schools was divided into two (experimental and control) groups, using materials from unit (3), floating and sinking bodies of the second year intermediate science textbook.

The experimental group was taught by a investigative laboratory approach while the control group was taught by the traditional laboratory approach.

Data was collected using an Achivement Test developed by the author.

In analysing the data, an analysis of variance was employed. T- test statistics were also used to determine significant differences between the means of different groups.

It was found that both groups performed significantly better on the post-test than the control group. It was also found that the investigative laboratory approach experiences were more effective than the traditional laboratory approach. This study also shows that the subjects of both groups retained knowledge of volume displacement. However, retention test scores also revealed that investigative laboratory approach subjects retained knowledge of volume displacement better than subjects of traditional laboratory approach.

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Dec 05, 2019

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