Author Question: Which of the following is an experimental design? A) single-group, posttest-only design B) ... (Read 108 times)

JMatthes

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Which of the following is an experimental design?
 
  A) single-group, posttest-only design
  B) single-group, pretest-posttest design
  C) ex post facto design
  D) None of the above

Question 2

Re: It is necessary to design and carry out experiments so that the experimental conditions

Question 3

In an ANOVA, we try to
 
  A) maximize experimental variance and within-groups variance.
  B) minimize error variance and control extraneous variance.
  C) minimize both error variance and experimental variance.
  D) control extraneous variance and maximize error variance.



Kimmy

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Answer to Question 1

Answer: D

Answer to Question 2

Muchas Gracias :)

Answer to Question 3

Answer: B



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