What are two research articles that are experimental in nature: two-group experimental design, multi-group design, factorial design, pre-test/post-test, between subjects, within-subjects, reversal design, etc.?

These articles should be original research, not reviews or meta-analyses.

• https://guides.rasmussen.edu/apa/annotatedbib
• https://owl.purdue.edu/owl/general_writing/common_writing_assignments/annotated_bibliographies/annotated_bibliography_samples.html
• https://guides.library.cornell.edu/annotatedbibliography