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Related Concept Videos

Reliability and Validity01:29

Reliability and Validity

Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
Assessment of the Gastrointestinal System I: Subjective Data01:17

Assessment of the Gastrointestinal System I: Subjective Data

Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
Health History
The initial step in assessing the GI system is obtaining a comprehensive health history. This includes inquiring about the patient's history or presence of problems related to...
Assessment of the Gastrointestinal System II: Health Perception Pattern01:29

Assessment of the Gastrointestinal System II: Health Perception Pattern

Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include:

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Related Experiment Video

Updated: Jun 10, 2026

'Boden Food Plate': Novel Interactive Web-based Method for the Assessment of Dietary Intake
04:46

'Boden Food Plate': Novel Interactive Web-based Method for the Assessment of Dietary Intake

Published on: September 18, 2018

The beverage intake questionnaire: determining initial validity and reliability.

Valisa E Hedrick1, Dana L Comber, Paul A Estabrooks

  • 1Department of Human Nutrition, Foods, and Exercise, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA.

Journal of the American Dietetic Association
|July 27, 2010
PubMed
Summary
This summary is machine-generated.

A new beverage intake questionnaire (BEVQ) accurately measures daily fluid consumption and energy intake from beverages. This tool aids research into how beverages contribute to weight gain.

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Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq
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Related Experiment Videos

Last Updated: Jun 10, 2026

'Boden Food Plate': Novel Interactive Web-based Method for the Assessment of Dietary Intake
04:46

'Boden Food Plate': Novel Interactive Web-based Method for the Assessment of Dietary Intake

Published on: September 18, 2018

Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq
04:54

Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq

Published on: March 19, 2021

Area of Science:

  • Nutrition science
  • Dietary assessment methodology

Background:

  • Energy-containing beverages are linked to weight gain, but research is hindered by limited assessment tools.
  • Accurate measurement of beverage intake is crucial for understanding its role in energy balance and weight management.

Purpose of the Study:

  • To determine the validity and reliability of a self-administered beverage intake questionnaire (BEVQ).
  • To assess the BEVQ's ability to estimate daily intake across 19 beverage categories.

Main Methods:

  • Cross-sectional study with 105 participants.
  • Compared BEVQ results with 4-day food intake records and urine samples.
  • Assessed validity by comparing BEVQ1 with food records; reliability by comparing BEVQ1 and BEVQ2.

Main Results:

  • BEVQ showed good validity for water, total beverages, and sugar-sweetened beverages intake (grams).
  • Strong correlations found between BEVQ and food records for beverage energy intake (r=0.61 for total, r=0.59 for sugar-sweetened).
  • High reliability demonstrated between two separate BEVQ administrations (P<0.001).

Conclusions:

  • The beverage intake questionnaire (BEVQ) is a valid and reliable tool for assessing beverage consumption.
  • BEVQ facilitates rapid, self-administered dietary assessment, supporting research on beverage intake and health outcomes.