![Should I use fixed effects or random effects when I have fewer than five levels of a grouping factor in a mixed-effects model? [PeerJ] Should I use fixed effects or random effects when I have fewer than five levels of a grouping factor in a mixed-effects model? [PeerJ]](https://dfzljdn9uc3pi.cloudfront.net/2022/12794/1/fig-2-full.png)
Should I use fixed effects or random effects when I have fewer than five levels of a grouping factor in a mixed-effects model? [PeerJ]
![PDF] Fixed Effects vs. Random Effects Meta‐Analysis Models: Implications for Cumulative Research Knowledge | Semantic Scholar PDF] Fixed Effects vs. Random Effects Meta‐Analysis Models: Implications for Cumulative Research Knowledge | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/9d0da258a66cc36af3eb0fbd68d5192914681308/5-Table1-1.png)
PDF] Fixed Effects vs. Random Effects Meta‐Analysis Models: Implications for Cumulative Research Knowledge | Semantic Scholar
Fixed-Effect vs Random-Effects Models for Meta-Analysis: 3 Points to Consider - Joseph R. Dettori, Daniel C. Norvell, Jens R. Chapman, 2022
![Students Are Rarely Independent: When, Why, and How to Use Random Effects in Discipline-Based Education Research | CBE—Life Sciences Education Students Are Rarely Independent: When, Why, and How to Use Random Effects in Discipline-Based Education Research | CBE—Life Sciences Education](https://www.lifescied.org/cms/10.1187/cbe.17-12-0280/asset/images/medium/cbe-17-rm2-g004.gif)
Students Are Rarely Independent: When, Why, and How to Use Random Effects in Discipline-Based Education Research | CBE—Life Sciences Education
![Fixed or random? On the reliability of mixed-effect models for a small number of levels in grouping variables | bioRxiv Fixed or random? On the reliability of mixed-effect models for a small number of levels in grouping variables | bioRxiv](https://www.biorxiv.org/content/biorxiv/early/2021/05/04/2021.05.03.442487/F4.large.jpg)
Fixed or random? On the reliability of mixed-effect models for a small number of levels in grouping variables | bioRxiv
![FIXED AND RANDOM EFFECTS IN HLM. Fixed effects produce constant impact on DV. Random effects produce variable impact on DV. F IXED VS RANDOM EFFECTS. - ppt download FIXED AND RANDOM EFFECTS IN HLM. Fixed effects produce constant impact on DV. Random effects produce variable impact on DV. F IXED VS RANDOM EFFECTS. - ppt download](https://images.slideplayer.com/27/9111095/slides/slide_7.jpg)
FIXED AND RANDOM EFFECTS IN HLM. Fixed effects produce constant impact on DV. Random effects produce variable impact on DV. F IXED VS RANDOM EFFECTS. - ppt download
![Visualization of a linear mixed effect models, with two conimuous fixed effects and a random effect with random slope and intercept - Cross Validated Visualization of a linear mixed effect models, with two conimuous fixed effects and a random effect with random slope and intercept - Cross Validated](https://i.stack.imgur.com/cih9E.jpg)