THE DEVELOPMENT OF ASSERTIVE BEHAVIOR AND LEARNING ACHIEVEMENT IN THE BASIC SELLING SUBJECT THROUGH BRAINSTORMING TECHNIQUE FOR THE FIRST YEAR VOCATIONAL-CERTIFICATE STUDENTS OF KUVANANT TECHNOLOGY COLLEGE

Abstract

The purposes of this study included: 1) to develop assertive behavior through brainstorming technique in the Basic Selling Subject for the first- year vocational certificate students in order that at least 70% of the students have a good level or higher in assertive behavior; 2) to develop the students’ learning achievement through the brainstorming technique in the Basic Selling Subject for the first- year vocational certificate students in order that they made a  mean achievement score of 70% or better and 70% of the sample group passed the criterion. The target group of this research consisted of 14 first year vocational-certificate students selected through purposive sampling in the academic year of 2020 at Kuvanant Technology College, under the Office of Vocational Education Board. The study was a pre-experimental research using the One-Group Posttest Only Design for data collection.  The research instruments included: 1) lesson plans of the Basic Selling Subject through brainstorming technique; 2) an assessment form for assessing the students’ assertive behavior; and 3) a learning achievement test on the Basic Selling Subject.  The collected data were analyzed by descriptive statistics and content analysis. The statistics used for data analysis were percentage, arithmetic mean and standard deviation. The findings of this research were as follows. 1) The mean score of assertive behavior of the students was at 12.84 i.e. a good level with the score between 10-13 and passed the prescribed criterion, and 100% of the students passed the prescribed criterion. 2) The students made a mean learning achievement by using brainstorming technique in the Basic Selling Subject at the score of 35.57 out of 40 or 88.93% of the full marks and 12 students or 92.92% of the students passed the prescribed criterion.