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Quiz von Brage Haavik, aktualisiert more than 1 year ago
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Erstellt von Brage Haavik
vor etwa 5 Jahre
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Frage 1
Frage
In a repeated measures ANOVA, the within-participant variability is divided into two components, what are they?
Antworten
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Variability between conditions and total variability
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Variability between conditions and random variability
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Total variability and random variability
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Variability between participants and random variability
Frage 2
Frage
Which of the following is an important advantage of a repeated-measures ANOVA?
Antworten
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A different sample of participants serves in each condition, making it possible to compare different populations
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Individual differences do not contribute to unsystematic variance
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A large number of participants is generally required, which provides a greater glimpse of the population
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All of the above
Frage 3
Frage
A researcher reports ANOVA as F (2, 40) = 5.18, p = .01, how many conditions were involved in this study?
Antworten
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2
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3
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4
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41
Frage 4
Frage
How many participants were there in the experiment reported in question 3?
Antworten
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21
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63
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41
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44
Frage 5
Frage
Sphericity is an assumption in a repeated measures ANOVA. How is sphericity calculated?
Antworten
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By looking at the variability within each condition
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By looking at the size of the differences in each condition
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By looking at the difference between the first and last condition
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By looking at the variability in difference scores between conditions
Frage 6
Frage
The following table shows the results of a repeated-measures ANOVA, but the F-value is missing. what is the F-Value?
Antworten
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11.10
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12.13
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0.91
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0.08
Frage 7
Frage
Which of the following statements about the assumption of sphericity is NOT true?
Antworten
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It is tested using Levene's Test in SPSS
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It is tested using Mauchley's Test in SPSS
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It is automatically met when an IV has only two levels
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It is the repeated measures equivalent of homogeneity of variance
Frage 8
Frage
If the assumption of sphericity is violated, which correction is available in SPSS?
Antworten
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Mauchly
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Levene
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Greenhouse-geisser
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Kolmogorov-smirnov
Frage 9
Frage
The larger the F statistic is in a repeated measures ANOVA, the larger the ___________, compared to the ____________
Antworten
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Variation within individuals; variation between individuals
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Random variation; variation between conditions
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Variation between conditions; random variation
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Variation between individuals; variation within individuals
Frage 10
Frage
A researcher wanted to see whether desensitization therapy was an effective treatment for hylophobia (fear of forests). She recorded levels of hylophobia in 20 participants at three points; before therapy, after therapy, and at a six-month follow up. The SPSS output from her data analysis is shown below. Which of the following statements is true?
Antworten
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The data meets the assumption of normality
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The data violates the assumption of sphericity
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There was a significant reduction in hylophobia following desensitisation therapy
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Desensitisation therapy did not affect hylophobia levels
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