Multiple Choice
Which threat to internal validity is of particular concern to Pre-post designs?
A) Diffusion
B) Individual differences
C) Maturation
D) Differential attrition
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q37: One group is measured before and after
Q38: The nonexperimental research strategy makes little to
Q39: A researcher assesses the reading level of
Q40: A problem with nonequivalent group designs is
Q41: A research study that evaluates changes in
Q43: A series of observations before treatment allows
Q44: A researcher comparing depression scores before and
Q45: A researcher introduces a new phonics program
Q46: What is the appropriate statistical analysis for
Q47: Quasi-experimental studies attempt to minimize threats to