Related Experiment Video
Updated: May 1, 2026
07:47
Measuring Delay Discounting in Humans Using an Adjusting Amount Task
Published on: January 9, 2016
15.1K
Advancing the extended parallel process model through the inclusion of response cost measures
Lance S Rintamaki1, Z Janet Yang
1a Department of Communication , University at Buffalo, The State University of New York , Buffalo , New York , USA.
Journal of Health Communication
|April 16, 2014
Summary
This study enhances the Extended Parallel Process Model by incorporating response costs, improving its ability to predict health behaviors like condom use for sexually transmitted infections (STIs). The findings support including these drawbacks in health communication models.
Area of Science:
- Health Communication
- Behavioral Science
- Psychology
Background:
- The Extended Parallel Process Model (EPPM) explains how individuals respond to health threats.
- Existing models may not fully account for the perceived drawbacks of recommended health behaviors.
Purpose of the Study:
- To advance the Extended Parallel Process Model (EPPM) by integrating response cost measures.
- To examine the role of response costs in condom use intentions and perceptions of sexually transmitted infections (STIs).
Main Methods:
- A survey of 502 college students assessed perceptions of STI risks and condom use.
- Participants read information from the CDC on STIs and condom efficacy.
- Hierarchical ordinary least squares regression was used to analyze the data.
Main Results:
- Response cost measures significantly improved the predictive power of the Extended Parallel Process Model (EPPM).
- Perceived drawbacks associated with condom use influenced behavioral intentions.
Conclusions:
- Response costs are a valuable addition to the Extended Parallel Process Model (EPPM).
- Understanding and addressing perceived response costs can enhance health communication strategies for STI prevention.
Related Concept Videos
01:29Pharmacodynamic Models: Direct Effect Model and Indirect Response Model
155
Pharmacodynamic models are essential tools in understanding the relationship between drug concentrations and their effects on biological systems. By characterizing the dynamics of drug action, these models guide dose selection, optimize therapeutic efficacy, and inform the development of new drugs. Two major classes of pharmacodynamic models include direct effect and indirect response models.Direct Effect ModelsDirect effect models describe the immediate relationship between drug concentration...
155
01:16Response Surface Methodology
904
Response Surface Methodology (RSM) is a collection of statistical and mathematical techniques used to develop, improve, and optimize processes. It is particularly valuable when many input variables or factors potentially influence a response variable.
The process of RSM involves several key steps:
The process of RSM involves several key steps:
904
01:09Pharmacodynamic Models: Additive and Proportional Drug Effect Model
119
Drug response models describe how pharmacological agents interact with biological systems to produce measurable effects. Baseline responses are inherent physiological activities without a drug significantly influencing the observed pharmacological outcomes. Depending on the drug response model employed, these baseline responses may combine with the drug's effect in either an additive or proportional manner.Additive Drug Response ModelIn the additive model, the drug effect is independent of the...
119
01:28Methods of Medium Optimization
70
Optimizing growth media enhances microbial proliferation and maximizes product yield. Statistical experimental design methodologies provide structured and reproducible approaches, offering progressively higher levels of robustness and efficiency.The One-Factor-at-a-Time (OFAT) MethodThe One-Factor-at-a-Time (OFAT) method involves adjusting a single variable while keeping all others constant. However, it cannot detect interactions between variables, often leading to suboptimal outcomes when...
70
01:14Pharmacodynamic Models: Link Model and Systems Pharmacodynamic Model
147
The link model is a fundamental pharmacokinetic-pharmacodynamic (PK–PD) approach to account for delayed drug responses when the observed effect does not immediately correlate with the drug's plasma concentration peak. This delay is mathematically addressed by introducing an effect compartment concentration, Ce, which is kinetically linked to the plasma concentration, Cp, via a first-order rate constant, ke0. The linkage allows for a more accurate prediction of drug effects over time. A...
147
01:14Scale-Up Processes
105
The scale-up of microbial fermentation processes is essential in industrial biotechnology, allowing the transition from laboratory-scale experiments to commercial-scale production while aiming to maintain product yield and quality. This process requires meticulous adjustment of equipment design, process parameters, and contamination control strategies to accommodate increasing culture volumes.At the laboratory scale, cultures are typically maintained in 1 to 10-liter glass or autoclavable...
105