Which of the following statements are TRUE of the effect size?
Effect Sizes Practice Quiz

Quiz
•
Professional Development
•
11th Grade - University
•
Hard

Teacher Perl
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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
quantifies the practical significance of a finding
reflects the odds that a particular finding could have occurred by chance
reflects the magnitude, or size, of the difference
number measuring the strength of the relationship between two variables
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The effect size is more important than statistical significance in clinical and commercial contexts.
TRUE
FALSE
Both are equally important
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the three classes of effect sizes?
Standardized Difference ES, Variance Accounted for ES, Corrected ES
Cohen's d, Glass' delta, Omega 2
alpha, beta, power
eta 2, partial eta 2, omega 2 , p-value
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
In solving for Cohen's d, solving towards the direction of improvement yields a ____result.
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A computed Cohen's d value of .79 means that the effect size is _____
small
medium
large
negligible
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of the following are known formulas for η2?
SSTreatment/(SSTreatment + SSError)
SSeffect / SStotal
SSbetween / SStotal
SStotal / SSerror + SSbetween
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A computed (eta) η2 value of .06 and below is ___.
small
medium
large
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