Effects of OLP intake on objective task measures
First, we analyzed participants’ performance in the objective performance measures (Stroop, dual, 2-back, instrumental learning, and d2). Figures Evidence for training effects, but evidence of absence for any OLP effects on exemplary primary objective outcome measures: (Evidence for time effects, but evidence of absence for group differences in exemplary primary subjective outcome measures regarding (Contrary to our expectations, none of our primary objective outcome measures demonstrated any group effects (main effects or interactions; all 