Skills Lab 10- Moderation Flashcards
1
Q
What’s moderation
A
The relationship of x and y and how variable m affects that
2
Q
Centering predictors facilitates
A
Interpretation
3
Q
How to work out grand mean centering
A
Subtract mean score from each participants
4
Q
How to centre with code
A
- dplyr::mutate
- misty::center
5
Q
Which variable do you never center
A
Dependent variable
6
Q
What’s the model
A
Y = a + b + a*b
7
Q
What code will run the model
A
model.a
8
Q
How do you prove with simple slopes
A
interactions: :sim_slopes
reghelper: :sim_slopes
9
Q
How do you probe with Johnson neyman interval
A
reghelper::sim_slopes
10
Q
What does simple slopes work out
A
At what level of our moderator the relationship is significant
11
Q
What does Johnson neyman interval work out
A
In which ‘zone’ the relationship is significant
12
Q
Categorical predictors do not
A
Need to be centered
