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Full-Text Articles in Psychology
The “Green Eating” Project: A Pilot Intervention To Promote Sustainable And Healthy Eating In College Students, Kelleigh E. Eastman
The “Green Eating” Project: A Pilot Intervention To Promote Sustainable And Healthy Eating In College Students, Kelleigh E. Eastman
Geoffrey Greene
The “Green Eating” Project: A Pilot Intervention to Promote Sustainable and Healthy Eating in College Students Kelleigh Eastman Sponsor: Geoffrey Greene, Nutrition and Dietetics A topic of interest that is growing in the general population is the idea of being sustainable, or “green”, and there is a rising awareness in sustainable practices involving food and the environment. Some of the “green” eating behaviors identified through my research included eating a plant-based (i.e. vegetarian or semi-vegetarian) diet, eating locally grown foods, eating organically grown foods, and eating foods that are labeled fair-trade. Frequently, these “green” eating behaviors are healthful eating behaviors …
An Introduction To Item Response Theory For Health Behavior Researchers, Russell Warne
An Introduction To Item Response Theory For Health Behavior Researchers, Russell Warne
Russell T Warne
OBJECTIVE:
To introduce item response theory (IRT) to health behavior researchers by contrasting it with classical test theory and providing an example of IRT in health behavior.
METHOD:
Demonstrate IRT by fitting the 2PL model to substance-use survey data from the Adolescent Health Risk Behavior questionnaire (n=1343 adolescents).
RESULTS:
An IRT 2PL model can produce viable substance use scores that differentiate different levels of substance use, resulting in improved precision and specificity at the respondent level.
CONCLUSION:
IRT is a viable option for health researchers who want to produce high-quality scores for unidimensional constructs. The results from our example-although not …