Objectives of the study:1. To develop CAI package in subject of Chemistry for standard XI Science Students studying GSTB syllabus.2. To study the effectiveness of the developed software in terms of instructional time and achievement of students.3. To study the effect of software package on students’ achievement in relation to students’ intelligence level, motivation level, and attitude towards the package.4. To study the attitude of the students and teachers regarding the effectiveness of the CAI package with respect to contents, presentation, examples, illustrations,graphs and figures, evaluation items, utility of software and instructions given in
the instructional manual.

One of the English medium schools of Baroda City was taken for implementing the developed software. One section of Standard XI Science was taken and thirty students were selected randomly as sample for the experimental group and rest of the students of the section constituted the control group.

The software developed by the investigator was used as treatment tool. Achievement test Constructed by the investigator was used as a testing tool.

A pre-test post-test experimental and control group design was employed.

The data were analysed through ANOVA, ANCOVA and content analysis.

The developed software package was found to be effective in terms of academic achievement of the students. The students and teachers were found to have favourable opinion towards the software package. There was found an interaction effect of IQ,motivation and opinion of students on their academic achievement.