How to conduct and interpret a one-way within-subjects (repeated measures) ANOVA in SPSS part 1/2

How to conduct and interpret a one-way within-subjects (i.e., repeated measures) ANOVA in SPSS part 1/2. This video provides an example of a research question that can be answered using a one-way within-subjects ANOVA. It uses existing (made up) sample data to help answer this question using SPSS. It walks you through:
2:56 - how to conduct the analysis in SPSS 25 (for SPSS 27 update watch • one-way within subject... )
and how to
8:40 - interpret the output. Finally, it describes how to write up these results in APA style.