Questions tagged [simple-effects]
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Interpreting simple slopes in OLS regression with multiple interactions
I dug through previous simple slope/effect questions and couldn't find what I was looking for, but happy to be pointed to it if it exists.
On p. 17 of Jaccard and Turrisi (2003), they offer the ...
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Proper post-hoc tests (following ANOVA) to test out within/between subject differences
just as a disclaimer, the following questions may be quite basic but I somehow cannot wrap my head around which way to analyse data as there are different tests that do almost the "same" but ...
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Simple effect analysis following mixed anova with significant interaction effect
i am a little bit confused, as to which simple effects i need to analyze after conducting a mixed anova.
I have conducted a mixed anova with time (pre-post-) as the within-subject variable and group (...
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Getting interaction contrasts from lmer in R from 3-way interaction with continuous variables
I ran a linear mixed-effects model looking at the effect of Stress and Lifestyle (HLI) on cognitive change over Time using the lme4 package in R...
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An inherent inconsistency in interpreting the indirect effect in a mediation analysis?
Disclaimer: I am well aware that correlation and causation are different things, yet I will here write "A causes B" to keep it short.
This is in any case completely unrelated to the point I ...
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How are simple effects calculated in JASP (and how to calculate them properly)?
I'm conducting 3-way (2x2x2) repeated measures ANOVA in JASP with a main factor of interest called symm, and two other factors: emotion (neutral/fearful) and masking (masked/unmasked). I want to ...
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How to interpret a significant effect present in a subset data but absent in the full data
My model has 3 predictors:
Group (A vs. B)
Condition (baseline vs. treatment)
Memory (a continuous variable)
The model gives an interaction between Condition and Group.
I then tested the simple ...
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Main effect vs simple effect
In the following linear model:
$y = \beta_0 +\beta_1 x_1 +\beta_2 x_2 + \beta_3x_1x_2 + \epsilon$
what are called $x_i$? The term $x_1x_2$ is the interaction. In ANOVA, $x_i$ are named "main ...
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Why are Simple Effects only used when the interaction is significant?
I have conducted a 2-way ANOVA and obtained a significant Main Effect in IV1 and IV2, but a non-significant interaction. Following that, I have analyzed IV1 using a test for Simple Effects and ...
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Computing Simple Slopes for 3-Way Interaction in Multilevel Model
I have several significant 3-way interactions in a 2-level models (individuals nested in couples), and I am struggling with the computation of the simple slopes. Essentially, my categorical level-2 ...
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Interaction not significant, but one simple effect significant: linear mixed model with lmer() in R
Currently cross-posted at https://stackoverflow.com/questions/63492814/interaction-not-significant-but-one-simple-effect-significant-linear-mixed-mod because I wasn't sure which site was more ...
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