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Author Question: When a researcher is confident that results can be attributed to a treatment's influence and nothing ... (Read 135 times)

elizabeth18

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on: Jun 20, 2018
When a researcher is confident that results can be attributed to a treatment's influence and nothing else, it is said that the study is ____ valid.
 
  a. externally
  b. empirically
  c. intrinsically
  d. internally
  e. statistically

Question 2

The most powerful control technique, given the number of influences potentially controlled, is
 
  a. matching.
  c. counterbalancing.
  b. random assignment.
  d. homogeneous selection.


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LVPMS

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

D

Answer to Question 2

B


elizabeth18

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Reply 2 on: Jun 20, 2018
:D TYSM

Laurenleakan

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Reply 3 on: Yesterday
Excellent

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