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   Articles with "intraindividual variability" as a keyword



Intraindividual variability in cortisol: Approaches, illustrations, and recommendations

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recommendations! Published in 2017 at "Psychoneuroendocrinology"

DOI: 10.1016/j.psyneuen.2017.01.026

Abstract: Most of the variance in diurnal cortisol is attributable to intraindividual variability (IIV), defined as relatively short-term, reversible changes. Multiple methods for measuring IIV have been proposed, and some have already been applied to cortisol… read more here.

Keywords: cortisol; variability cortisol; cortisol approaches; intraindividual variability ... See more keywords

Intraindividual variability in sleep and perceived stress in young adults.

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recommendations! Published in 2019 at "Sleep health"

DOI: 10.1016/j.sleh.2019.07.009

Abstract: OBJECTIVES Research suggests strong associations between habitual sleep parameters (eg, mean duration, timing, efficiency), perceived stress, and insomnia symptoms. The associations between intraindividual variability (IIV; night-to-night within-person variation) in sleep, perceived stress, and insomnia have… read more here.

Keywords: perceived stress; sleep perceived; insomnia; intraindividual variability ... See more keywords

Elevated Intraindividual Variability in Executive Functions and Associations with White Matter Microstructure in Veterans with Mild Traumatic Brain Injury

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recommendations! Published in 2020 at "Journal of the International Neuropsychological Society"

DOI: 10.1017/s1355617720000879

Abstract: Abstract Objective: We examined whether intraindividual variability (IIV) across tests of executive functions (EF-IIV) is elevated in Veterans with a history of mild traumatic brain injury (mTBI) relative to military controls (MCs) without a history… read more here.

Keywords: mild traumatic; executive functions; microstructure; intraindividual variability ... See more keywords

Intraindividual Variability in Symptoms Consistently Predicts Sudden Gains: An Examination of Three Independent Datasets

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recommendations! Published in 2018 at "Journal of Consulting and Clinical Psychology"

DOI: 10.1037/ccp0000344

Abstract: Objective: Sudden gains are robust predictors of outcome in psychotherapy. However, previous attempts at predicting sudden gains have yielded inconclusive findings. The aim of the present study was to examine a novel, transdiagnostic, transtherapeutic predictor… read more here.

Keywords: variability symptoms; sudden gains; consistently predicts; intraindividual variability ... See more keywords

Intraindividual variability in neuropsychological performance predicts longitudinal cortical volume loss in early Parkinson's disease.

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recommendations! Published in 2022 at "Neuropsychology"

DOI: 10.1037/neu0000809

Abstract: OBJECTIVE Cognitive impairment is common among individuals with Parkinson's disease (PD). Intraindividual variability (IIV) is a measure of variability across multiple tasks of cognitive functioning. Due to the limited amount of research, particularly among individuals… read more here.

Keywords: cortical volume; parkinson disease; among individuals; variability ... See more keywords

Reliabilities of Intraindividual Variability Indicators with Autocorrelated Longitudinal Data: Implications for Longitudinal Study Designs

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recommendations! Published in 2018 at "Multivariate Behavioral Research"

DOI: 10.1080/00273171.2018.1457939

Abstract: ABSTRACT Intraindividual variability can be measured by the intraindividual standard deviation (), intraindividual variance (), estimated hth-order autocorrelation coefficient (), and mean square successive difference (). Unresolved issues exist in the research on reliabilities of… read more here.

Keywords: longitudinal data; autocorrelated longitudinal; intraindividual variability; variability indicators ... See more keywords

Intraindividual variability of semen quality, proteome, and sncRNA profiles in a healthy cohort of young adults

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recommendations! Published in 2024 at "Andrology"

DOI: 10.1111/andr.13739

Abstract: Within‐subject variability of semen parameters and molecular components of ejaculates in young men remains poorly understood. read more here.

Keywords: variability semen; variability; quality proteome; semen quality ... See more keywords

Sex Differences in the Variability of Physical Activity Measurements Across Multiple Timescales Recorded by a Wearable Device: Observational Retrospective Cohort Study

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recommendations! Published in 2025 at "Journal of Medical Internet Research"

DOI: 10.2196/66231

Abstract: Background A substantially lower proportion of female individuals participate in sufficient daily activity compared to male individuals despite the known health benefits of exercise. Investment in female sports and exercise medicine research may help close… read more here.

Keywords: variability; sex; wearable device; intraindividual variability ... See more keywords