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Author Question: Buchanan, Tranel, and Kirchbaum (2009) studied three groups of participants, one of which had damage ... (Read 68 times)

serike

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Buchanan, Tranel, and Kirchbaum (2009) studied three groups of participants, one of which had damage to the hippocampus, one that had similar brain damage but not to the hippocampus, and a control group of participants. The researchers assessed responses to the three groups both before and after they were exposed to stress. The hippocampus group showed a decrease in cortisol response to stress, whereas the other two groups shoed increases. Which of the following statistical tests was used to test the hypothesis?
 
  a. A main effect..
  b. A multiple regression.
  c. An interaction.d . A correlation.

Question 2

Buchanan, Tranel, and Kirschbaum (2009) compared three groups of participants, one of which had damage to the hippocampus, one that had similar brain damage but not to the hippocampus, and a control group of participants. The researchers assessed responses to the three groups both before and after they were exposed to stress. The hippocampus group showed less change in cortisol response to stress than the other two groups. What research design was used in this research?
 
  a. Between-participants experimental.
  b. Within-participants experimental.
  c. Comparison group before-after.
  d. Time series..



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mariahkathleeen

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Answer to Question 1

c

Answer to Question 2

c




serike

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Reply 2 on: Jun 19, 2018
YES! Correct, THANKS for helping me on my review


xthemafja

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Reply 3 on: Yesterday
Excellent

 

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