List two threats to internal validity from from any of the research reports that you are using for your proposal.

Research designs

Identify the research design in the study that you will replicate by designing your proposal.

Summarize the definition of that design from the textbook.

List two threats to internal validity from from any of the research reports that you are using for your proposal.

List and summarize (from the textbook) two research designs that you never heard of prior to this course.

Describe how you might use those designs in a future study that you conduct.