This study focuses on the development and validation of an Anti-Bullying Bibliotherapy Intervention (ABBI) Manual which espouses a form of Bibliotherapy that combines two types - developmental and prescriptive. The descriptive and research and development methods were used. The manual was developed based on the conducted online survey and comprehensive bibliographic review. There were three groups of participants/respondents. The first group is composed of the 1540 elementary teachers in the Philippines who answered the survey. The second group is composed of five experts who validated the content and the third group is composed of 10 teachers for the face validation. The study applied non-probability sampling particularly in determining the sample size of respondents who answered the survey. Using Cochran’s formula, respondents were clustered into 4: Cluster 1 (Northern Luzon), Cluster 2 (Southern Luzon), Cluster 3 (Visayas), and Cluster 4 (Mindanao). Cochran’s formula is considered appropriate in situations with large populations where a sample of any given size provides more information about a smaller population than a larger one. A measure of scale reliability using Cronbach’s Alpha (Intraclass correlation average measures or reliability coefficient) and the level of internal consistency of the raters’ score were used to measure of internal consistency. The ADDIE model was used as a framework in developing the manual and the Echer’s (2005) validation steps were employed. The ABBI Manual was found valid after subjecting it to face and content validity using the Delphi technique hence, could be utilized by teachers and counselors in the Philippine Schools.
Razeale Resultay, Pangasinan State University, Philippines
Rudjane Tunac, Pangasinan State University, Philippines
Mary Joy Macaraeg, Pangasinan State University, Philippines
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