sj-docx-3-jbd-10.1177_01650254231160126 – Supplemental material for Too easy, too hard, or just right: Lifespan age differences and gender effects on task difficulty choices

Supplemental material, sj-docx-3-jbd-10.1177_01650254231160126 for Too easy, too hard, or just right: Lifespan age differences and gender effects on task difficulty choices by Sabine Schaefer, Michaela Riediger, Shu-Chen Li and Ulman Lindenberger in International Journal of Behavioral Development