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Related Concept Videos

Blind Procedures02:07

Blind Procedures

Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which child was...

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Related Experiment Video

Updated: Jul 21, 2026

A Novel Procedure for Evaluating the Reinforcing Properties of Tastants in Laboratory Rats: Operant Intraoral Self-administration
11:16

A Novel Procedure for Evaluating the Reinforcing Properties of Tastants in Laboratory Rats: Operant Intraoral Self-administration

Published on: February 6, 2014

Food additives and hyperkinesis: a controlled double-blind experiment

C K Conners, C H Goyette, D A Southwick

    Pediatrics
    |August 1, 1976
    PubMed
    Summary

    The Feingold diet (K-P diet) may reduce hyperkinetic symptoms in children. Teachers observed significant improvements compared to a control diet, though parent reports varied.

    Area of Science:

    • Pediatric Nutrition
    • Behavioral Science
    • Clinical Dietetics

    Background:

    • Hyperkinetic syndrome, often associated with ADHD, presents significant behavioral challenges.
    • Dietary interventions are explored as potential management strategies for hyperkinetic behaviors.
    • The Feingold (K-P) diet, excluding artificial additives and salicylates, is one such intervention.

    Purpose of the Study:

    • To evaluate the efficacy of the Feingold (K-P) diet in reducing hyperkinetic symptoms in children.
    • To compare the effects of the K-P diet against a control diet and baseline observations.

    Main Methods:

    • A double-blind crossover trial was conducted with 15 hyperkinetic children.
    • Participants followed a control diet and the K-P diet sequentially.

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    Last Updated: Jul 21, 2026

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  • Standardized rating scales were used by parents and teachers for symptom assessment over a one-month period.

    • Main Results:

    • Both parents and teachers reported a reduction in hyperkinetic symptoms on the K-P diet compared to baseline.
    • Teachers observed a statistically significant reduction in symptoms with the K-P diet versus the control diet.
    • Parental observations did not show a significant difference between the K-P diet and the control diet.

    Conclusions:

    • The K-P diet shows potential for alleviating hyperkinetic symptoms.
    • Further research is recommended to validate findings with objective measures and specific dietary components.