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SWK605 Week 9
SWK605 Week 9
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SWK605 Week 9
Flashcards
21 cards
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Practice quiz
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Questions
21
Answers
1
Given the same effect size, as sample size increases,
p
values ____ and test statistics _____.
decrease; increase
increase; decrease
decrease; decrease
increase; increase
2
With a
p
value of 0.03, the relationship between variables is moderate.
False
True
3
What correlation & test statistic for multicategorical IV & multicategorical DV?
Pearson's r; t
Cramer's V; X2
eta; F
Kramer's Flying V; M
4
A correlation coefficient of 0 means there is no relationship between variables.
True
False
I'm not sure
5
Correlation coefficient __ is an effect size of a linear relationship
r
p
z
t
6
The range for an odds ratio is __ to __.
- ∞, 0
- ∞, + ∞
0, + ∞
-1, 1
7
Convention for a small correlation?
0.10
0.80
0.30
0.50
8
What is the appropriate graph for correlation coefficients?
3D modeling
Histogram
Scatterplot
Bar graph
9
Which r-family measures of effect size do NOT indicate direction of relationship?
Kendall's tau & Spearman's rho
Phi & point-biserial
phi, eta, & point-biserial
eta, omega, & Cramer's V
10
A d-index of .20 indicates that there is a .20 SD difference between groups.
True
False
11
What does r
2
indicate?
Proportion of variance in IV accounted for by DV
Proportion of correctness of conclusion to accept null
Proportion of variance in DV accounted for by IV
Proportion of correctness of conclusion to reject null
12
What correlation & test statistic for dichotomous IV & continuous DV?
Phi; X2
Point-biserial r; t
eta; F
Pearson's r; t
13
With a negative correlation, values of IV and values of DV have an INVERSE relationship.
True
I'm not sure
False
14
What correlation and test statistic for multicategorical IV, continuous DV?
Spearman's rho; X2
eta/omega; Cramer's V
eta/omega; F
Spearman's rho; t
15
What correlation & test statistic for dichotomous IV & dichotomous DV?
Cramer's V; X2
eta; F
Point-biserial r; t
Phi; X2
16
Odds where probability that an event will occur is greater than the probability it won't?
Odds > 1
Odds = 1
Odds = ∞
Odds < 1
17
_ is strength & direction (typically) of relationship between variables.
Chi-square
INXS size
Effect size
P-value
18
What correlation & test statistic for ordinal IV & ordinal DV?
Phi; X2
Spearman's rho/Kendall's tau; X2
Spearman's rho/Kendall's tau; t/z
Phi; t
19
Probability that an event will occur is same as probability that it won't occur.
Odds = 0.5
Odds = 1
Odds = ∞
Odds = 0
20
Which correlation & test statistic is used for a continuous IV & continuous DV?
eta; Z
eta; F
Pearson's r; t
Pearson's r; F
21
Convention for a large correlation?
0.50
0.30
0.80
0.10
