The conclusions reached by ex post facto designs are A) ...

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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.

[Chocorrol77]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: D

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TYSM

[cdmart10]

Gracias!