The purpose of this study was to determine the validity of the learning model of Construction Deconstruction Reconstruction – Provocation (CDR-Po) which was developed to train students’ creative thinking skills in middle school science learning. The research subject was the CDR-Po model. The validity of the model is obtained through the assessment of three experts who are competent in Chemistry and Science Education. Assessment of validity includes content validity and construct validity. Data collection techniques are applied by averaging the scores of the assessors for each assessment indicator. Data analysis techniques are descriptive qualitative. The results showed that the CDR-Po learning model was concluded to be valid and reliable to develop students’ creative thinking in junior high school science learning.

Keywords : Validity, CDR-Po Learning Model, Creative Thinking Skills, Middle School.