Other Study Designs Flashcards
?: least expensive systematic study of a cross section of individuals. Efficient for collecting data on large population
Surveys
?: qualitative research technique with discussion questions that are open-ended to collect info
Focus Groups
?: individual-level assessments used by wellness or health insurance companies
Health Risk Appraisal
Steps in Health Risk Appraisal
1) participant provides self-report health related info
2) Part. receives individual feedback
3) info used to provide on rec or intervention towards promoting health
Goal of probability sampling strategies is to _____
reduce sampling error.
Probability Strategies
- Random Sampling
- Cluster Sampling
Non-Probability strategies
- Convenience Sampling
- Snowball sampling
Each individual in the population has the same probability of being sampled
Random sampling
Unit of randomization; population of interest exists in units
Cluster sampling
Sample participants in a way that is convenient
Convenience sampling
Going through mutuals or suggestions
Snowball sampling
Food science designs
- Paired comparison test
- Triangle test
- Quantitative Descriptive Test (QDT)
?: also called pref test; a judge is presented with two samples (A&B) and asked to choose one higher in certain attribute
Paired comparison test (samples presented in two sequences (AB, BA)
?: 2 identical samples and one different sample presented to the judge, judge identifies which is different
Triangle Test
In ____, no specific question about sensory characterisitcs, just which one is different
Triangle Test