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Author Question: Changes that occur naturally in the subjects, over time could result in the confound of: a. ... (Read 26 times)

Yolanda

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on: Jun 19, 2018
Changes that occur naturally in the subjects, over time could result in the confound of:
 
  a. history.
  b. maturation.
  c. regression to the mean.
  d. diffusion of treatment.

Question 2

Internal validity is:
 
  a. the extent to which the results of an experiment can be attributed to the manipulation of the dependent variable, rather than to some confounding variable.
 b. the extent to which the results of an experiment can be attributed to the manipulation of the independent variable, rather than to some confounding variable.
 c. the extent to which the results of an experiment can be generalized.
  d. both b and c


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debra928

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Reply #1 on: Jun 19, 2018
Answer to Question 1

b

Answer to Question 2

b


Yolanda

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Reply 2 on: Jun 19, 2018
Excellent

cdmart10

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

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