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0
votes
Accepted
Interaction term negative when both its components are positive?
A similar interpretation can be made with labor quality. … Finally, the negative coefficient for the interaction Term (Labor Cost * Labor Quality) suggests that the combined effect of labor cost and labor quality on FDI is less than the sum of their individual …
0
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Interpretation of estimated effect of a predictor variable when it does not vary within a sa...
As you have described it, you have two models, in Raudenbush & Bryk notation:
Model 1: Random intercept, no interaction
Level 1 (person-task):
$$
Y_{ti} = \pi_{0i} + \pi_{1i}\times \text{Arial}_{ti} + … with proportional odds, using a generalized linear model specification, we change $Y_{ti}$ to the linear predictor $\eta_{ti}$ and from Bauer and Sterba we have the following model (moving the error term …
0
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1
answer
13
views
Regression Result - Interpretation Interaction Term
I am confused about how to interpret the interaction term in the regression result. … Please help me understand what is the correct interpretation. …
0
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Nonsignificant interaction still causes main effect to flip?
This interpretation of main effects in the presence of an interaction, is a bit similar to the interpretation of the intercept in the presence of a slope. … A related question is: Why do my (coefficients, standard errors & CIs, p-values & significance) change when I add a term to my regression model? …
1
vote
How to calculate and compare the apparent likelihood of an interaction between groups of dif...
term between infector and infectee infector : infectee introduces four interaction terms (e.g., of Aa, Ae, Ea, and Ee, respectively, since C and c are the reference groups in the main effects). … No, this interpretation is incorrect. The absolute size of each exposed group does not affect the expected risk or infection probability if sampling within each group was random and representative. …
7
votes
Accepted
How to calculate the reference level interaction in regression in R?
Consequently, the interpretation of these interaction terms is always relative to the reference-level combination of both factors, and missing interaction terms (such as for the reference levels) are implied … The interaction term for $x_1:z_2$ can be calculated by subtracting the interaction term for $x_2:z_2$ from the main effect of $z_2$:
$$
x_1:z_2 = \beta_2 - \beta_4 = 0.07071 - (-0.21342) = 0.28413
$$ …
2
votes
2
answers
77
views
Comparing Linear Mixed Models with and without interaction terms
term in the model (it is one of the variables in the interaction). … Note that I am not talking about interpretation - since the interaction qualifies the main effect anyway, I just want to know which data to include in my results table :)
Thanks in advance! …
0
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1
answer
30
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Interpretation of interaction results when regression coefficients are significant but avera...
To facilitate the interpretation of coefficients, I want to report the average marginal effects, but as it's my first time working with these estimates, I have some trouble understanding them. … Thanks for any help with the interpretation! …
2
votes
1
answer
116
views
Difference-in-Differences with Multiple Time Periods
If I run such a model, my interaction term gets omitted because of perfect collinearity between the interaction term and the time dummy.
What am I missing here? … I am trying to understand the Callaway & Sant'Anna paper regarding staggered DiD, but I'm having issues understanding the implementation and interpretation of the model. …
1
vote
1
answer
36
views
Addition of regression coefficients in Linear Probability Models?
Coeducation, academic performance, and subject choice: evidence from quasi-random classroom assignments, Education Economics, 26:6, 574-592, DOI: 10.1080/09645292.2018.1515310
My question is about the interpretation … The third row presents estimates for the interaction term between coeducation and the student being a female. …
1
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0
answers
52
views
How to prove that the dependent variable is explained by the two independent variables (whic...
Initially, I predicted Y through multiple regression analysis using A1, A2 and their interaction term, and found that the residuals were small, but there was a pattern in the variation of the residuals … Is there any other suitable statistical analysis to justify the interpretation of A1 and A2 on Y? …
2
votes
Is it better to perform multiple paired t-test or One-Way ANOVA test
term. … For both models though, the interaction term is not significant ($p = 0.184$).
This means we can interpret the former as the overall effect of oxygen administration. …
3
votes
(Mixed-)model specification and comparison for testing hypotheses concerning continuous ratings
See the meaning of coefficients in a common model specification with an interaction Frank Harrell's interpretation of interaction in regression results. … Instead, specifying one main effect and one interaction M + L : M seem to offer the easiest interpretation among three groups where the coefficient of M gives its higher effect than L and the coefficient …
0
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0
answers
36
views
Interpreting opposite signs and control/treatment in ACME and ADE in mediation analysis
term in the model. … In the interaction term for med:treat2, we see a negative effect. For the mediation analysis with treat1, the ACME (treated) is positive. The ADE is negative, following the logic in the regressions. …
2
votes
1
answer
95
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Interpretation of generalized linear mixed-effects models: How should I proceed with a signi...
0.756 -0.318 -0.689 0.530
agenew:yer2 0.442 -0.374 -0.649 -0.684 0.542 0.495
trtmnttr::2 -0.314 0.532 0.461 0.485 -0.758 -0.704 -0.710
I interpret the significant (P = 0.044) interaction …