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Author Question: The total variance in the one factor between subjects design is partitioned into _____ parts. a. ... (Read 91 times)

frankwu

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on: Jun 19, 2018
The total variance in the one factor between subjects design is partitioned into _____ parts.
 
  a. one c. three
  b. two d. four

Question 2

The analysis of variance has two advantages over the use of multiple t tests for comparing the group means in a one factor between groups study. The are _____.
 
  a. accuracy and efficiency
  b. maintaining the probability of both Type I and Type II errors at alpha
  c. maintaining the probability of a Type I error at alpha and efficiency
  d. maintaining the probability of a Type II error at alpha and efficiency


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dudman123

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

B
Total variance is partitioned into between groups variance and within groups variance.

Answer to Question 2

C
ANOVA was designed to maintain the experiment wise probability rate at alpha. In addition, ANOVA (one test) is more efficient than conducting several tests.


frankwu

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Reply 2 on: Jun 19, 2018
Great answer, keep it coming :)

FergA

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

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