Neuropsychological data Questionnaires Sample 1 and 2.sav

The SPSS data represent the individual mean values in the pre- and post-measurement after the cognitive training in the neuropsychological tests, the questionnaires and in the Cortisol levels for sample 1 and sample 2 described in the article Gajewski et al. (2023) Effects of cognitive and stress management training in middle-aged and older industrial workers in different socioeconomic settings: a randomized controlled study. Front. Psychol. 14:1229503. doi: 10.3389/fpsyg.2023.1229503. Further details and explanations of the variables and data sets on request.