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Author Question: The t test for two related measures a. is complicated by the fact that we have two different sets ... (Read 15 times)

Davideckstein7

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on: Jun 20, 2018
The t test for two related measures
 
  a. is complicated by the fact that we have two different sets of numbers.
  b. is simplified by the fact that we really only focus on the column of difference scores.
  c. is not a valid test if the pre- and post-measures are correlated.
  d. is impractical because you do not know the population variance.

Question 2

In the Kaufman and Rock (1972) moon illusion example in the text, they hypothesized that there would be no moon illusion in their experiment. Experiments of this type pose problems for researchers because
 
  a. you cannot logically prove the null hypothesis to be true.
  b. the null hypothesis is obviously true.
  c. rejecting the null hypothesis would mean that Kaufman and Rock were wrong.
  d. the null hypothesis is obviously false.


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jjorrostieta

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

B

Answer to Question 2

A


Davideckstein7

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

okolip

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

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