stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Review for Exam 2 Flashcards | StudBud
Explore
/
Review for Exam 2
Review for Exam 2
20 terms
·
StudBud Administration
·
18 plays
385 Review
Flashcards
20 cards
F
Practice quiz
P
Host live
L
Questions
20
Answers
1
A z-score is calculated by dividing the data point - mean by what value?
mode
mean
probability
standard deviation
2
Failing to reject the null when, in fact, it is false
Not possible
Type 1 Error
Type II Error
3
Which of the following are rules for inferring causation?
All of the above
Temporal Precedence
Removal of Plausible Rival Hypothesis
Correlation
4
ANOVA tests the ____.
Null Hypothesis
Alternative Hypothesis
5
____ is the measure of the variance between groups divided by the variance within groups
standard deviation
F-ratio
t-tests
probability
6
Effect size describes ____
the strength of the DV on the IV
the strength of the IV on the DV
Halloween
the probability
7
A _____ changes the strength or the direction of the relationship between two variables.
moderator
independent variable
mediator
dependent variable
8
Which of the of the following are threats to validity?
Internal Validity
Construct Validity
Statistical Conclusive Validity
External Validity
9
When interpreting SPSS output, significant Levene's test indicates we can use parametric tests
True
False
10
When calculating standard deviation by hand, the last step is to _____ your total.
square
divide by N
square root
divide by the mean
11
When calculating a z score, the first step is to subtract _____ from the data point
the median
the mode
the mean
the standard deviation
12
An effect size of .63 means that ____.
40% of the variance in the DV is associated with the IV
You can use a parametric test
63% of the variance in the DV is associated with the IV
You should fail to reject the null
13
Examining the effect of gender and liquid consumption on alertness is an example of what?
descriptive statistics
a t-test
a one-way ANOVA
A two-way ANOVA
14
What is used for comparing several groups or independent variables?
Regression
ANOVA
a t-test
Correlation
15
Outliers dramatically effect the ____.
Median
Range
Mode
Mean
16
_____ is when the relationship between the IV and the DV can be explained by a third variable.
Standard Deviation
Mediation
Moderation
Homoscedasticity
17
Exam II is when?
Today
Next week
Never
Friday in-class
18
Incorrectly concluding that the null hypothesis is false
Not possible
Type 1 Error
Type II Error
19
Today's Date is ____
October 31st
November 1st
December 1st
January 11th
20
Factorial Designs need at least two of what?
DV's
Moderators
Mediators
IV's
