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How You Can Learn AP24534 Just Like A Champion
Due to technical failures or imaging artefacts (e.g., movement) at pretest, DTI data were lost for five younger and seven older intervention participants. Four younger and two older intervention participants dropped out during the longitudinal phase of the study. In the control groups, one younger adult dropped out between pretest and posttest. Thus, the UNC2881 effective sample for this article consisted of 20 younger (11 women; Mage?=?25.1; SD?=?2.8; range?=?20�C30 years) and 12 older (7 women; Mage?=?68.9; SD?=?2.7; range?=?65�C75 years) adults in intervention groups and 10 younger (4 women; Mage?=?25.6; SD?=?2.6; range?=?22�C30 years) and 13 older (4 women; Mage?=?69.7; SD?=?3.5; range?=?65�C76 years) adults in control groups. Intervention groups and control groups were statistically comparable on chronological age [t(28)?=?0.45, for http://www.selleckchem.com/ young; t(23)?=?0.58, for old], vocabulary ( Lindenberger, Mayr, & Kliegl, 1993; cf. Lehrl, Merz, Burkard, & Fischer, 1991) scores assessed at pretest [t(28)?=?0.64, for young; t(23)?AP24534 supplier for Human Development, Berlin, approved the behavioral parent study. During the longitudinal practice phase, intervention groups practiced three working memory, three episodic memory, and six perceptual speed tasks during on average one hundred and one (Myoung?=?102, SDyoung?=?3.3; Mold?=?100, SDold?=?3.7) 1-h sessions. Participants practiced individually in lab rooms containing up to six computerized testing stations. In addition, intervention groups completed behavioral pretests and posttests during ten sessions that consisted of 2�C2.5?h of cognitive test batteries and self-report questionnaires (e.g., personality inventories). A pretest brain-imaging session was conducted after the behavioral pretest and immediately before the longitudinal practice phase. The posttest imaging session was completed shortly after the completion of the behavioral posttest. The imaging sessions were separated by an average of 179 days (Myoung?=?183, SDyoung?=?21.0; Mold?=?173, SDold?=?25.2). The control groups took part in imaging pretests and posttests only, which were separated by an average of 186 days (Myoung?=?189, SDyoung?=?8.6; Mold?=?184, SDold?=?15.0). The tasks practiced by the intervention groups were administered with several stimuli-presentation times at pretest.
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