Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Role of Affect in Interpersonal Attraction01:24

Role of Affect in Interpersonal Attraction

232
Affect plays a crucial role in shaping interpersonal evaluations and perceptions. Emotions influence how individuals judge and respond to others, often determining whether interactions are viewed positively or negatively. This effect can manifest directly through interactions with the person in question or indirectly via associations with unrelated emotional experiences.Direct Effects of Affect on AttractionAffect directly influences interpersonal attraction when a person’s behavior...
232
Gradually Varying Flow01:29

Gradually Varying Flow

445
Gradually varying flow (GVF) in open channels describes situations where water depth changes slowly along the channel due to factors like non-uniform bed slope, channel shape variations, or obstructions. This flow type occurs when the depth adjusts gradually to balance gravitational forces, shear forces, and energy requirements, resulting in a low rate of depth change.Characteristics of Gradually Varying FlowGVF is commonly observed in natural streams, rivers, and canals, where flow depth...
445
Rapidly Varying Flow01:24

Rapidly Varying Flow

505
Rapidly varying flow (RVF) in open channels is characterized by abrupt changes in flow depth over a short distance, with the rate of depth change relative to distance often approaching unity. These flows are inherently complex due to their transient and multi-dimensional nature, making exact analysis difficult. However, approximate solutions using simplified models provide valuable insights into their behavior.Key Features of Rapidly Varying FlowRVF is commonly observed in scenarios involving...
505
The Influence of Affect on Cognition01:29

The Influence of Affect on Cognition

296
Positive affect significantly influences cognitive processes, including evaluation, memory, creativity, and social judgments. Compared to negative affect, positive emotional states promote more favorable interpretations of stimuli, cognitive flexibility, and heuristic processing. These effects highlight emotions' powerful role in shaping how individuals perceive, remember, and interact with the world.Influence on Evaluation and AttributionWhen individuals experience positive affect, they are...
296
The Influence of Cognition on Affect01:29

The Influence of Cognition on Affect

221
Cognition plays a pivotal role in shaping emotional experiences, as demonstrated by Schachter and Singer’s two-factor theory of emotion. According to this model, emotion arises from a combination of physiological arousal and cognitive interpretation. The body’s physiological response to stimuli is ambiguous and only gains emotional significance through cognitive labeling. For instance, an increased heart rate and adrenaline surge while standing near an attractive person may be...
221
Physical and Chemical Properties of Matter02:57

Physical and Chemical Properties of Matter

166.6K
The characteristics that enable us to distinguish one substance from another are called properties.
166.6K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Mental health and suicide literacy among school nurses in Japan: A cross-sectional study.

PloS one·2026
Same author

An individual participant data meta-analysis of how physical activity relates to affective well-being in daily life.

Nature human behaviour·2026
Same author

Lower level cognitive processes explain most of the unity of executive functions.

Journal of experimental psychology. General·2026
Same author

Validity and Reliability of Smartphone-Based Cognitive Assessment in Older Adults.

Annals of geriatric medicine and research·2026
Same author

Cohort Profile: The Tokyo Adolescent Mental Health Study (TAMHS).

Journal of epidemiology·2026
Same author

Age-Stratified Trends in Nutrition and Lifestyle Transitions in Korea: Findings from KNHANES 2013-2022.

Nutrients·2025

Related Experiment Video

Updated: Feb 6, 2026

A Practical Guide to Phylogenetics for Nonexperts
12:00

A Practical Guide to Phylogenetics for Nonexperts

Published on: February 5, 2014

36.1K

A Practical Guide to Analyzing Time-Varying Associations between Physical Activity and Affect Using Multilevel

Jinhyuk Kim1, David Marcusson-Clavertz1,2, Fumiharu Togo3

  • 1Department of Biobehavioral Health, The Pennsylvania State University, University Park, PA, USA.

Computational and Mathematical Methods in Medicine
|August 15, 2018
PubMed
Summary

This study guides researchers on analyzing physical activity and psychological states using multilevel modeling with accelerometer and ecological momentary assessment (EMA) data. It offers practical SAS code for daily life research.

More Related Videos

Assessment of Physical Activity Intensity with Accelerometers and Oxygen Consumption
08:45

Assessment of Physical Activity Intensity with Accelerometers and Oxygen Consumption

Published on: June 20, 2025

593
From Voxels to Knowledge: A Practical Guide to the Segmentation of Complex Electron Microscopy 3D-Data
12:08

From Voxels to Knowledge: A Practical Guide to the Segmentation of Complex Electron Microscopy 3D-Data

Published on: August 13, 2014

25.0K

Related Experiment Videos

Last Updated: Feb 6, 2026

A Practical Guide to Phylogenetics for Nonexperts
12:00

A Practical Guide to Phylogenetics for Nonexperts

Published on: February 5, 2014

36.1K
Assessment of Physical Activity Intensity with Accelerometers and Oxygen Consumption
08:45

Assessment of Physical Activity Intensity with Accelerometers and Oxygen Consumption

Published on: June 20, 2025

593
From Voxels to Knowledge: A Practical Guide to the Segmentation of Complex Electron Microscopy 3D-Data
12:08

From Voxels to Knowledge: A Practical Guide to the Segmentation of Complex Electron Microscopy 3D-Data

Published on: August 13, 2014

25.0K

Area of Science:

  • Behavioral Science
  • Psychology
  • Biomedical Engineering

Background:

  • Growing interest in within-person associations between physical/physiological variables and psychological states.
  • Ecological momentary assessment (EMA) enables intensive, repeated measures in daily life.
  • Need for practical analytical tools for complex EMA datasets.

Purpose of the Study:

  • To provide a practical guide for multilevel modeling of physical activity and psychological states.
  • To demonstrate the use of SAS code for analyzing accelerometer and EMA data.
  • To review EMA applications and analytical tools for research and clinical settings.

Main Methods:

  • Multilevel modeling using SAS.
  • Analysis of objectively measured physical activity (accelerometer).
  • Analysis of self-report psychological states via EMA.

Main Results:

  • Exemplification of EMA data analysis with physical activity and affect.
  • Demonstration of practical application of multilevel modeling for EMA data.
  • Identification of key analytical approaches for EMA research.

Conclusions:

  • Multilevel modeling is a powerful tool for analyzing EMA data in daily life research.
  • Practical SAS code facilitates the investigation of physical activity and psychological states.
  • Future research should address challenges in EMA data analysis.