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Research Methods and Data Analysis > ANOVA > Flashcards

ANOVA Flashcards

1
Q

What does ANOVA look for during studies?

A

Categorical differences between:
Different conditions
Different groups

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2
Q

What are T-tests and ANOVA special kinds of?

A

Linear Regression

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3
Q

What does a T-test and ANOVA involve?

A

One categorical predictor
Once continuous outcome

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4
Q

How many groups are used during a T-test?

A

2

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5
Q

What type of variable is measure?

A

Dependent variable

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6
Q

What type of variable are groups?

A

Independent variable

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7
Q

What are the different types of ANOVA?

A

One-way ANOVA
Factorial ANOVA
Repeated-Measures ANOVA
Mixed ANOVA

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8
Q

What is a one-way ANOVA?

A

3 or more groups
1 outcome variable

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9
Q

What is a factorial ANOVA?

A

2 or more groups
2 or more categorical predictors variables
1 outcome variable

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10
Q

What is a repeated measures ANOVA?

A

1 group
2 or more categorical predictor variables
1 outcome variable

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11
Q

What is a Mixed ANOVA?

A

2 or more groups
1 or more categorical predictor variables
1 outcome variable

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12
Q

What is the categorical predictor in a one-way ANOVA?

A

Group

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13
Q

What is the categorical predictor in a Factorial ANOVA?

A

2 categorical predictors
Group
Sex

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14
Q

What is the categorical predictor in a Repeated Measures ANOVA?

A

2 categorical predictors
Intervention
State

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15
Q

What is the categorical predictor in a Mixed ANOVA?

A

3 categorical predictors
Intervention= within
Drug and Sex= between

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16
Q

How many continuous outcomes does every ANOVA have?

A

1

17
Q

What is an interaction in ANOVA results?

A

An interaction between 2 variables when differences in 1 variable are affected by differences in another variable

18
Q

What is a residual?

A

Unexplained variance or error

19
Q

What are assumptions in ANOVA?

A

Observations are independent
Residuals will be normally distributed
Variance of different groups or conditions should be equal

20
Q

What is an RM-ANOVA?

A

The difference between levels of a variable should have equal variance

21
Q

What should you check for if you have 3+ groups or conditions in a variable?

A

Sphericity

22
Q

What is the key concept of a one-way ANOVA?

A

One factor with multiple levels

23
Q

What is the key concept of a two-way ANOVA?

A

2 factors
Often with multiple levels

24
Q

What is the key concept of a repeated measure ANOVA?

A

Repeated Measurements on the same subjects

25
Q

What is the key concept of a multi-variate ANOVA?

A

Multiple dependent variables

26
Q

What is the purpose of an analysis of covariance?

A

Inclusion of one or more covariates

Research Methods and Data Analysis (17 decks)

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