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Author Question: In a twin study, if both members of a twin pair show evidence of a behavioral or personality ... (Read 204 times)

Davideckstein7

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on: Jun 20, 2018
In a twin study, if both members of a twin pair show evidence of a behavioral or personality characteristic, then the twins have a high
 
  a. probability of living long lives.
  b. degree of statistical significance.
  c. concordance rate.
  d. negative correlation among many additional factors.

Question 2

Which of the following does not represent a common example of an extraneous variable?
 
  a. Placebo control group
  b. Nonequivalent groups
  c. Differential attrition
  d. Regression to the mean


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yeungji

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Reply #1 on: Jun 20, 2018
Answer to Question 1

c

Answer to Question 2

a


Davideckstein7

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Reply 2 on: Jun 20, 2018
Wow, this really help

Dominic

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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