Which of the following statements about the assumption of sphericity is NOT true?
Responda
It is tested using Levene's Test in SPSS
It is tested using Mauchley's Test in SPSS
It is automatically met when an IV has only two levels
It is the repeated measures equivalent of homogeneity of variance
Questão 8
Questão
If the assumption of sphericity is violated, which correction is available in SPSS?
Responda
Mauchly
Levene
Greenhouse-geisser
Kolmogorov-smirnov
Questão 9
Questão
The larger the F statistic is in a repeated measures ANOVA, the larger the ___________, compared to the ____________
Responda
Variation within individuals; variation between individuals
Random variation; variation between conditions
Variation between conditions; random variation
Variation between individuals; variation within individuals
Questão 10
Questão
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?