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26 Cards in this Set

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A mixed-design ANOVA has at least one _____ and one ______.
between-groups factor; within-subjects factor (2 marks)
A mixed-design ANOVA is particularly useful when comparing a ___ and a ___ across two or more levels of a within-subjects factor.
treatment group; control group
In clinical psychology studies, the within-subjects factor associated with a mixed-design ANOVA typically consists of …
pre-treatment and post-treatment.
A control group does not receive any ____, other than possibly a _____
treatment; placebo. (2 marks)
A ____ group receives a treatment that is different to that received by the primary treatment group.
comparison
An assumption that is tested distinctly in the mixed-design ANOVA is known as …
Box’s Test of equality of covariance matrices.
In the mixed-design ANOVA, Box’s test essentially tests that the…
correlations across the within-subject levels are equal across groups.
In practice, the alpha level used to test the null hypothesis associated with Box’s test is…
.005
Mauchly’s test of sphericity does not apply when there are only…
two levels associated with the within-subjects factor.
Does Levene’s test of homogeneity of variances apply in the mixed-design ANOVA?
Yes.

According to the lecture, one of the main reasons a control group is crucial in the investigation of the efficacy of a proposed treatment of depression is that…

depressed people improve to some degree on their own.

The mixed-design ANOVA is also known as a ….
split-plot ANOVA
If one obtains a statistically significant 2*3 mixed design ANOVA interaction effect, the lectures recommend that you conduct ______, in order to help understand the interaction.
A series of 2*2 mixed design ANOVAs
When both the people administering the study and the participants are not aware who is in the treatment group and who is in the control group, the experiment is considered to be a _____ study.
Double-blind
Franklin et al.’s (2001) study found ____ differences between clinician’s with little clinical experience and expert clinician’s in the treatment of OCD symptoms.
No
Franklin et al.’s (2001) study was important, because the inclusion of the clinician’s with little experience helped isolate the hypothesized ____ effect of psychotherapy on OCD.
causal
When participants discern the purpose of a study, they tend to give the researchers what they think the researchers hope to see. This is known as the…
Hawthorne effect
In clinical psychology studies relevant to evaluating the effectiveness of a treatment, it is crucial to have a control group, because, on average, _____ of patients are known to improve spontaneously without treatment.
68%
In order to conduct a mixed-design ANOVA in SPSS, one must perform the analysis within the _______ utility.
Repeated Measures
In the SPSS window below, a person wishes to conduct a 2*3 mixed design ANOVA. What variable should be placed into the ‘Covariates’ box?
In the SPSS window below, a person wishes to conduct a 2*3 mixed design ANOVA. What variable should be placed into the ‘Covariates’ box?
nothing should be placed in that box.
If you conduct a mixed-design ANOVA and you want the means associated with the overall between-groups effect, you need to use the ______ option, as the ‘Descriptive statistics’ option won’t produce those means.,
‘Display Means for’
In the lecture relevant to the mixed-design ANOVAs, the interaction associated with the SPSS figure below was restricted to...
In the lecture relevant to the mixed-design ANOVAs, the interaction associated with the SPSS figure below was restricted to...
the pre-test and post-test levels
Based on the rule provided in the lecture for interpreting Box’s M, is the SPSS result below statistically significant?
Based on the rule provided in the lecture for interpreting Box’s M, is the SPSS result below statistically significant?
No
The table below is relevant to a mixed-design analysis that was conducted in SPSS. To what null hypothesis is the table below relevant?
The table below is relevant to a mixed-design analysis that was conducted in SPSS. To what null hypothesis is the table below relevant?
Omnibus main effect for groups.
If you have only two levels associated with a between-subjects factor in a mixed-design ANOVA, the overall F test relevant to the omnibus between groups Ftest and the Fisher’s LSD post-hoc result will be ...
the same.
A three-way mixed-design ANOVA has how many dependent variables?
one