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Diffusion

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Diffusion is the passive movement of substances down their concentration gradients—requiring no expenditure of cellular energy. Substances, such as molecules or ions, diffuse from an area of high concentration to an area of low concentration in the cytosol or across membranes. Eventually, the concentration will even out, with the substance moving randomly but causing no net change in concentration. Such a state is called dynamic equilibrium, which is essential for maintaining overall...

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Diffusion

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Diffusion is a type of passive transport. In passive transport, a substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across the space. For example, take the diffusion of substances through the air. When someone opens a perfume bottle in a room filled with people, the perfume is at its highest concentration in the bottle and is at its lowest at the edges of the room. The perfume vapor will diffuse, or spread away, from the...

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Diffusion of innovations theory and work-site AIDS programs.

T E Backer¹, E M Rogers

¹Human Interaction Research Institute, Northridge, California, USA.

Journal of Health Communication

|August 18, 2000

Summary

Workplace AIDS programs adoption is driven by key individuals or tragic events. The Business Responds to AIDS (BRTA) program requires further adoption to become self-sustaining.

Area of Science:

Public Health
Organizational Behavior
Health Management

Background:

Work-site Acquired Immunodeficiency Syndrome (AIDS) programs are crucial for employee well-being and business continuity.
The adoption of such programs can be influenced by various organizational and external factors.
Understanding the drivers of adoption is key to successful implementation.

Purpose of the Study:

To investigate the adoption process of work-site AIDS programs.
To identify key factors influencing the initiation and implementation of these programs.
To evaluate the progress of the Business Responds to AIDS (BRTA) program.

Main Methods:

Case study analysis of four companies adopting work-site AIDS programs.
Examination of program origins, including the role of "champions" and significant events.

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Assessment of program modifications, including adaptations of the BRTA program.

Main Results:

Program adoption was primarily initiated by a "champion" or a tragic event (e.g., an employee contracting AIDS).
Two of the investigated programs were based on the Centers for Disease Control and Prevention's BRTA model.
The BRTA program, as an innovation, has not yet achieved critical mass for self-sustained adoption.

Conclusions:

The adoption of work-site AIDS programs is often catalyzed by individual advocacy or crisis.
The BRTA program's success depends on reaching a tipping point for widespread, rapid adoption.
Further research and strategic implementation efforts are needed to accelerate the adoption of effective AIDS workplace initiatives.