factorial analysis

Depends on your dependent and independent variable and whether the Dv and idv are numeric categorical or ordinal

One issue is whether you have a set (or sets) of Likert-scores variables that you want to combine into scale(s). If so, then I have compiled some resources on this topic:

https://www.researchgate.net/post/How_can_one_help_people_create_simple_scales_from_Likert-scored_items

That's a good question