7310834
Descripción
Test por Róisín Farmer, actualizado hace más de 1 año
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Creado por Róisín Farmer
hace casi 8 años
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Pregunta 1
Pregunta
If there are more levels, there are more comparisons, which increases likelihood of:
Respuesta
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Type 1/alpha error (finding significant results when there isn't one)
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Type 2/beta error (failing to reject the null)
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Type 1/alpha error (failing to reject the null)
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Type 2/beta error (finding significant results when there isn't one)
Pregunta 2
Pregunta
If there are more levels, there are more comparisons, which increases likelihood of type 1/alpha error. This is known as:
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Familywise error
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Order effects
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Cohen's d
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Pearson's r
Pregunta 3
Pregunta
How can you reduce Familywise error:
Respuesta
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Stricter probability
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Ignoring it
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Having more levels
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Using a t-test
Pregunta 4
Pregunta
An ANOVA is an omnibus test, meaning:
Respuesta
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It discovers overall difference, not where it lies, reducing Familywise error by conducting 1 test rather than many t-tests
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Discovers where the difference lies by using Tukey
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Compares only 2 groups
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It has nothing to do with main or interaction effects
Pregunta 5
Pregunta
Two-way ANOVA means there are:
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Two IV's
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Only 2 groups
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One IV
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Three IV's
Pregunta 6
Pregunta
An example Two-way ANOVA is: impact of gender AND type of exercise ON depression
Respuesta
- True
- False
Pregunta 7
Pregunta
In this last example two-way ANOVA, identify which are predictor variables and which are outcome variables: (3)
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Gender: predictor
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Exercise: predictor
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Depression: outcome
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Depression: predictor
Pregunta 8
Pregunta
If gender (predictor 1) has 2 levels (male or female) AND exercise (predictor 2) has 3 levels (cardio, strength, control), this can be described as a:
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3 x 2 design
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2 x 2 design
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T-test
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One-way ANOVA
Pregunta 9
Pregunta
If both IV's/predictors are between groups = [blank_start]fully between[blank_end] design
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fully between
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mixed
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fully within
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silly
Pregunta 10
Pregunta
If 1 predictor is within, and the other is between, it is known as a mixed design
Respuesta
- True
- False
Pregunta 11
Pregunta
If 1 predictor is within, and the other is between, it is known as a fully between design
Respuesta
- True
- False
Pregunta 12
Pregunta
Identify one-way and two-way ANOVA: (2)
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One-way = 1 effect with more than 2 levels (IV or DV)
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Two-way = 3 effects (2 main and 1 interaction)
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One-way = 3 effects (2 main and 1 interaction)
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Three-way = 1 effect with more than 2 levels (IV or DV)
Pregunta 13
Pregunta
A three-way ANOVA has 7 effects (3 main, 4 interaction)
Respuesta
- True
- False
Pregunta 14
Pregunta
On SPSS, you'd conduct a two-way ANOVA by:
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Analyse - General linear model - Univariate
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Analyse - Compare means - one-way ANOVA
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Analyse - Compare means - Independent t-test
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Analyse - Plots
Pregunta 15
Pregunta
The lower the SD, the..
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More accurate model
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More inaccurate model
Pregunta 16
Pregunta
'3 x 2 x 3' indicates what? (2)
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Number of factors by looking at how many numbers (in this example, 3)
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Number of levels within each factors by looking at the value of each number (e.g. factor 1 has 3 levels)
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Effect size using Cohen's d
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The result of a Tukey post-hoc
Pregunta 17
Pregunta
What is a factorial design?
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When we have manipulated more than 1 IV/factor
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When we have manipulated only 1 IV/factor
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When there is more than 1 DV/outcome
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Systematic error
Pregunta 18
Respuesta
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2 main, 1 interaction
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3 main, 4 interaction
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3 main, 1 interaction
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2 main, 4 interaction
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