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Development of a Naturalness Preference Scale.

Shawna F Bayerman1, Meng Li1, Adnan Syed2

  • 1Department of Health and Behavioral Sciences, University of Colorado, Denver CO, USA.

Medical Decision Making : an International Journal of the Society for Medical Decision Making
|July 31, 2023
PubMed
Summary
This summary is machine-generated.

Researchers developed the Naturalness Preference Scale (NPS) to measure preferences for natural products in medicine, food, and household goods. The NPS is a reliable tool for understanding how naturalness influences health decisions and behaviors.

Keywords:
foodhousehold productsnaturalness biasnaturalness preference surveyvaccines

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Area of Science:

  • Psychology
  • Health Behavior
  • Consumer Science

Background:

  • Naturalness preference significantly impacts health decisions.
  • A validated scale to measure individual differences in naturalness preference was lacking in existing literature.

Purpose of the Study:

  • To design and validate a reliable scale measuring individual differences in naturalness preference across multiple domains.
  • To assess the psychometric properties of the developed scale.

Main Methods:

  • Three studies were conducted with Amazon Mechanical Turk participants (total N=1500+).
  • Exploratory and confirmatory factor analyses were used to develop and validate the scale items.
  • Test-retest reliability and various forms of validity (criterion, convergent, discriminant, incremental) were assessed.

Main Results:

  • The Naturalness Preference Scale (NPS) was finalized with 20 items across three subscales: medicine, food, and household products.
  • The NPS demonstrated good test-retest reliability and strong validity within each domain.
  • The NPS-medicine subscale showed a negative correlation with COVID-19 vaccine uptake and a positive correlation with belief in unproven COVID-19 remedies.

Conclusions:

  • The validated NPS provides a robust measure for assessing individual naturalness preferences.
  • This scale will aid researchers in understanding the influence of naturalness on decision-making and health behaviors.
  • Findings highlight the link between medical naturalness preference and susceptibility to health misinformation.