Author Question: The conclusions reached by ex post facto designs are A) scientifically valid because all ... (Read 324 times)

fasfsadfdsfa · **on:** Aug 4, 2018

The conclusions reached by ex post facto designs are

A) scientifically valid because all confounding variables are controlled.
B) not scientifically valid although all confounding variables are controlled.
C) not scientifically valid because confounding variables are not controlled.
D) scientifically valid because all extraneous variables are controlled.

Question 2

________ studies are commonly used procedures, but are NOT experiments.

A) Randomized, posttest-only, control-group
B) Factorial design
C) Post hoc
D) Ex post facto

Fill in the blank with the correct answer.