Briefly describe the nine threats to internal validity: (1) selection, (2) history, (3) maturation, (4) testing, (5) statistical regression, (6) interactions with selection, (7) experimental mortality, (8) instrumentation, and (9) diffusion of treatment.
Correct Answer:
Answered by Quizplus AI
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q141: Describe the internal validity threat of history
Q142: Describe diffusion of treatment and give an
Q143: Why is internal validity the most important
Q144: Describe the posttest-only control-group design. How does
Q145: Define random assignment. What is the purpose
Q147: Describe the internal validity threat of selection
Q148: Describe the internal validity threat of mortality
Q149: Describe the internal validity threat of testing
Q150: Distinguish between a case study and a
Q151: What is statistical regression? How does statistical
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents