IQs Corner: Practice effects persist over two decades of cognitive testing: Implications for longitudinal research - #practiceeffect #cognitive #neurocognit #IQ #intelligence #schoolpsychology #schoo... Click on image to enlarge for easy reading MedRxiv preprint available at.   https://doi.org/10.1101/2025.06.16.25329587 Elman et al. (2025) ...