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System of Memory

System of Memory

Memory is categorized into three major systems: sensory memory, short-term memory (STM), and long-term memory (LTM). These systems differ in their capacity and the duration for which they can hold information. Sensory memory captures raw sensory input from the environment, holding it for just a few seconds or less. For example, on hearing a brief, loud sound, like a car horn honking, the sound seems to linger in the mind for a moment even after it stops. This is an instance of sensory memory...

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Measuring transactive memory systems in the field: scale development and validation.

¹Department of Management, University of Texas at Austin, 78712-0210, USA. kyle.lewis@bus.utexas.edu

The Journal of Applied Psychology

|August 28, 2003

Summary

Researchers developed and validated a new scale to measure transactive memory systems in teams. This tool aids in understanding how teams leverage collective expertise, crucial for organizational success.

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Area of Science:

Organizational Psychology
Team Dynamics
Measurement in Social Sciences

Background:

Transactive memory systems are vital for team expertise utilization.
Lack of validated field measures has hindered research in this area.
Existing measures may not adequately capture the construct in real-world settings.

Purpose of the Study:

To develop and validate a field measure of transactive memory systems.
To provide a reliable tool for assessing team transactive memory in applied settings.
To facilitate further research on the role of transactive memory in team performance.

Main Methods:

Development of a 15-item scale for transactive memory systems.
Testing the scale across three samples: laboratory teams, MBA consulting teams, and technology company teams.
Employing psychometric analyses to establish validity and reliability.

Main Results:

The scale demonstrated strong internal consistency across all samples.
Evidence of convergent, criterion-related, and discriminant validity was established.
The measure effectively captured transactive memory systems in diverse team contexts.

Conclusions:

The newly developed scale is a valid and reliable instrument for measuring transactive memory systems in field settings.
This measure will enable more robust research into team expertise and performance.
Further validation and refinement of the scale are recommended.