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Midterm MC Practice Flashcards | StudBud
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Midterm MC Practice
Midterm MC Practice
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Questions
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Answers
1
Which of the following is a drawback of within-participant designs?
Increased risk of ceiling effects
Increased risk of diffusion of treatment
Increased risk of carryover effects
Increased risk of instrumentation effects
2
This interaction plot suggests...
None of the factors affect tipping
There is a main effect of Friends vs First Date
There is no interaction
There are no main effects
3
An experimenter runs a 3 x 3 x 2 factorial design. There are __________ independent variables.
6
8
3
18
4
A researcher predicts that font type
will
affect readers' judgments of how serious a text is. This is a/an:
Type I error
Null hypothesis
Alternative hypothesis
Type II error
5
A researcher tests an SAT prep course on students with previous low SAT scores. What might be a problem?
Instrumentation effects
Regression to the mean
Floor effects
Mortality
6
A researcher normalizes her participants' mean difference scores over their standard deviation. She has computed:
Eta-squared
A Bonferroni Adjustment
Tukey's HSD
Cohen's d
7
How many
F
-ratios do we expect to compute when conducting one-way repeated measures ANOVA?
Two
One
Three
Four
8
In a study with separate control and placebo groups, how do we compute the effect attributable to
placebo
?
Placebo mean - control mean
Treatment mean - placebo mean
Treatment mean - control mean
None of the other answers
9
If a scientist is using random assignment to conditions, then probably:
This is not an experiment
This is a between-participants study
There will be greater attrition
This is a repeated-measures study
10
How can you maximize external validity?
Keep participants blind to their condition
Be yourself blind to participants' conditions
Ensure everyone in target population has equal chance of being sampled
Ensure everyone in sample has equal chance of ending up in each condition
