R code for analyzing resources availability vs. usage and their effects on learning and achievement in university students (study 1)

The code includes all analyses run in the article (submitted), analyzing whether differences in availability and usage are measurable and to which degree those facets predict different learning and achivement outcomes (relative weight analyses). Code for: Harder, B. (2025). Differential effects of resource availability and usage on learning, achievement, and subjective well-being. Cogent Education, 12(1). https://doi.org/10.1080/2331186X.2025.2501440 unknown unknown