What kind of statistics do I need to use in this condition? ANOVA or RM ANOVA?

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Jos Feys

Run an 1-way ANOVA and Post-Hoc tests.

https://www.statisticshowto.datasciencecentral.com/post-hoc/

Pramit Pandit

Repeated measures ANOVA is the equivalent of the one-way ANOVA, but for related, not independent groups, and is the extension of the paired t-test. Probably your groups are independant, not related. If so, run one-way ANOVA and other post-hoc tests necessary for your analysis.

Usama Rehman

Anova and not repeated measures.