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Psychophysical Tracking Method to Measure Taste Preferences in Children and Adults
Published on: July 16, 2016
Interactive computerized fruit and vegetable preference measure for African-American and Hispanic preschoolers
Sandra J Jaramillo1, Su-Jau Yang, Sheryl O Hughes
1Baylor College of Medicine, Houston, TX 77030-2600, USA.
Insights
This study developed a reliable computerized tool to measure fruit, fruit juice, and vegetable (FJV) preferences in African-American and Hispanic preschoolers. The tool accurately reflects children's FJV preferences and consumption habits.
Area of Science:
- Pediatric Nutrition
- Behavioral Science
- Health Informatics
Background:
- Assessing young children's dietary preferences is crucial for nutritional interventions.
- Existing methods may not be suitable for diverse preschool populations.
- Developing culturally relevant and engaging assessment tools is needed.
Purpose of the Study:
- To develop and validate a computerized measure for fruit, fruit juice, and vegetable (FJV) preferences.
- To assess FJV preferences in African-American (AA) and Hispanic (H) preschool children.
- To evaluate the reliability and validity of the computerized measure.
Main Methods:
- A computerized interactive measure was developed for FJV preference assessment.
- Participants included 198 preschool children from Head Start Centers.
- Test-retest reliability (n=50) and predictive validity (n=47) were assessed.
- Analysis of variance (ANOVA) and Pearson's correlation coefficients were used for analysis.
Main Results:
- The computerized measure demonstrated adequate test-retest reliability (r = .70) and internal consistency (Cronbach alpha = .87).
- African-American children showed a higher preference for vegetables than Hispanic children.
- Boys had a lower preference for fruits than girls.
- Higher FJV preferences correlated with higher FV consumption (p < 0.05).
Conclusions:
- The developed computerized measure is reliable and valid for assessing FJV preferences in young children.
- This tool can aid in characterizing FJV preferences and evaluating interventions in preschool populations.
- The measure is particularly useful for diverse ethnic groups like AA and H children.
Objective:
The objective of this study was to develop a computerized measure for assessing fruit, fruit juice and vegetable (FJV) preferences of African-American (AA) and Hispanic (H) preschool children.
Design/Setting:
Preschool children were selected from Head Start Centers to participate in this study. PARTICIPANTS/MAIN OUTCOME: Descriptive data on FJV preferences were obtained from a sample of 198 preschool children. Test-retest reliability (n = 50) and predicitve validity (n = 47) were assessed in a sample of children.
Analysis:
Analysis of variance (ANOVA) was used to evaluate gender and ethnic differences in FJV preference scores. Mean FJV preference scores were correlated using the Pearson's correlation coefficients and intra-class correlation to assess the reliability of the preference measure. ANOVA was applied to test the mean FV consumption difference between the low and high FV preference groups.
Results:
Compared to H, AA had a significantly higher preference for vegetables. Boys had a significantly lower preference for fruit than girls. Data show adequate test-retest reliability (r = .70; p < .01) and internal consistency of FJV items (Cronbach alpha = .87). Mean FV consumption was significantly higher in children who reported higher preferences for FV compared to those who reported lower FV preferences (p < 0.05).
Conclusion:
Data provide evidence for the reliability and validity of an interactive, computerized measure for assessing FJV preferences of young children.
Implication:
Development of a valid and reliable method for assessing FJV preferences of preschool children may be useful in characterizing FJV preferences of young children and in evaluating specific intervention programs.
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