Development of Transactional Analysis Techniques Group Counseling Guidebook to Improve Students' Self Esteem

This research has purposes to test the feasibility of a transactional analysis technique group counseling guidebook to improve the self-esteem of vocational students. The guidebook product acceptance tester involved 5 experts and guidance and counseling practitioners. Testing the validity of the content of the manual product using the Lawshe formula. The result of the research based on content validity analysis is that the CVR value per item is greater than 0 (CVR > 0) and there is no item with a value less than 0 (CVR < 0). Furthermore, the results of the Lawshe CVI analysis obtained a score of 1, it can be interpreted that the acceptance of this guidebook is very high. So based on the value of the acquisition of effectiveness above, according to the criteria, showing an effect size value > 0.50, the transactional analysis technique group counseling guide can be accepted.