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Author Question: When participants' behaviors are affected not by the treatment per se but by their knowledge of ... (Read 43 times)

go.lag

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on: Jul 8, 2018
When participants' behaviors are affected not by the treatment per se but by their knowledge of participating in a study, interpretation of the findings is complicated by the influence of which of the following?
 
  A) Treatment effect
  B) History threat
  C) Hawthorne effect
  D) Selection threat

Question 2

The following is a directional hypothesis: The fewer social supports an elderly person has, the more likely he or she is to be institutionalized.
 
  A) True
  B) False


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ilianabrrr

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Reply #1 on: Jul 8, 2018
Answer to Question 1

C
Feedback:
Hawthorne effect, in which various environmental conditions vary to determine their effect on worker productivity. The history threat is the occurrence of events concurrent with the independent variable that can affect the outcome. The selection threat reflects biases stemming from preexisting differences between groups. Temporal ambiguity, not treatment effect, the cause must precede the effect.

Answer to Question 2

A


go.lag

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Reply 2 on: Jul 8, 2018
Wow, this really help

amandanbreshears

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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