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Author Question: Which of the following is a disadvantage of the one-group pretest-posttest uninterpretabledesign? ... (Read 7 times)

iveyjurea

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on: Jul 30, 2018
Which of the following is a disadvantage of the one-group pretest-posttest uninterpretabledesi gn?
 
  a. The lack of informationabout any possible difference in the groups that exist before treatment makes it difficult to attribute results to the treatment.
  b. The lack of a comparisongroupmake s it impossible to rule outthreats to internal validity.
  c. The lack of random assignmentof participants to groups allows the possibility that the groups may have differedalong a number of important dimensions.
  d. The lack of a control group makes it impossible to determineafter comparing pretest-posttest observationsif a change has occurred.

Question 2

The concept of rewarding behavior in the direction of desired behavior using small, incremental steps, is referred to as:
 
  a. Classical conditioning
  b. Operant conditioning
  c. Reinforcement and punishment
  d. Token economics


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jamesnevil303

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Reply #1 on: Jul 30, 2018
Answer to Question 1

b

Answer to Question 2

B


iveyjurea

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Reply 2 on: Jul 30, 2018
YES! Correct, THANKS for helping me on my review

olderstudent

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Reply 3 on: Yesterday
Wow, this really help

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