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18166377
Week 4
Description
Psychology Quiz on Week 4, created by Katie Morbey on 19/05/2019.
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psychology
Quiz by
Katie Morbey
, updated more than 1 year ago
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Created by
Katie Morbey
over 5 years ago
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Resource summary
Question 1
Question
In a repeated-measures ANOVA, the within-participant variability is divided into two components. What are they?
Answer
Total variability and random variability
Variability between conditions and random variability
Variability between participants and random variability
Variability between conditions and total variability
Question 2
Question
Which of the following is an important advantage of a repeated-measures ANOVA design?
Answer
A different sample of participants serves in each condition, making it possible to compare different populations
Individual differences do not contribute to unsystematic variance
A large number of participants is generally required, which provides a better glimpse of the population
All of the above
Question 3
Question
A researcher reports an ANOVA as F (2, 40) = 5.18, p = .01. How many treatment conditions were compared in this experiment?
Answer
4
41
2
3
Question 4
Question
How many participants were there in the experiment reported in question 3?
Answer
21
41
44
63
Question 5
Question
Sphericity is an assumption in a repeated measures ANOVA. How is sphericity calculated?
Answer
By looking at the difference between the first and the last condition
By looking at the size of the differences between conditions
By looking at variability in difference scores between conditions
By looking at the variability within each condition
Question 6
Question
Which of the following statements about the assumption of sphericity is NOT true?
Answer
It is the repeated measures equivalent of homogeneity of variances
It is tested using Levene's test in SPSS
It is automatically met when an independent variable has only two levels
It is tested using Mauchley's test in SPSS
Question 7
Question
If the assumption of sphericity is broken, which correction is available in SPSS?
Answer
Levene
Mauchly
Kolmogorov-Smirnov
Greenhouse-Geisser
Question 8
Question
The larger the F statistic in a repeated-measures ANOVA, the larger the _____________ compared to the _________
Answer
Variation between conditions; random variation
Variation within individuals; variation between individuals
Variation between individuals; variation within individuals
Random variation; variation between conditions
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