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Longitudinal Research02:20

Longitudinal Research

Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
Nursing Process for Patient and Caregiver Teaching III: Evaluation and Documentation01:20

Nursing Process for Patient and Caregiver Teaching III: Evaluation and Documentation

Evaluation of the teaching process enables the nurse to determine if the patient's learning needs were met and if training was effective. If the expected outcomes are not met, the care plan is revised, and additional education or reinforcement is provided. Nurses can ask questions after the session or obtain feedback to assess the patient's understanding of the topic.
Nurses can use several methods to evaluate patient outcomes. For example, oral questions can assess cognitive learning, patient...
Nursing Evaluation01:15

Nursing Evaluation

The evaluation stage signals the end of the nursing process. The nurse gathers evaluative data to assess whether or not the patient has attained the expected results. Whereas the nurse collects data in the nursing assessment to identify the patient's health concerns, the evaluation stage data determines if the indicated health issues are resolved. Evaluative data collection includes two sections: the data acquired to evaluate patient outcomes and the time criteria for data collection.
Section...
Longitudinal Studies01:26

Longitudinal Studies

Longitudinal studies are also widely used in other medical and social science fields. For instance, in cardiovascular research, they can monitor patients' health over decades to identify risk factors for heart disease, such as high cholesterol or smoking, and evaluate the long-term effectiveness of preventive measures. Similarly, in mental health studies, researchers might follow individuals from adolescence into adulthood to understand the development and progression of conditions like...
Levels of Health Promotion and Illness Prevention01:26

Levels of Health Promotion and Illness Prevention

Health promotion allows a person to control the determinants of health, resulting in an improved health status. It enhances the quality of life and reduces premature deaths. Health promotion and illness prevention programs help people make beneficial choices to reduce the risk of disease and disabilities. There are three health promotion and illness prevention levels: primary, secondary, and tertiary prevention.
In primary prevention, actions taken before disease onset prevent the disease from...
Community Based Intervention01:30

Community Based Intervention

Community-based interventions in mental health represent a paradigm shift from institution-centered care to treatments embedded within the fabric of local communities. By prioritizing inclusion and leveraging existing societal structures, this approach fosters a supportive environment conducive to addressing mental health challenges while promoting individual dignity and agency.
Foundations of Community Mental Health Programs
Central to the success of community-based interventions is the...

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Related Experiment Video

Updated: Jun 20, 2026

Multidisciplinary Approach to Obesity Management: A Case Report
05:10

Multidisciplinary Approach to Obesity Management: A Case Report

Published on: May 30, 2025

Long-term process evaluation of a school-based programme for overweight prevention.

R Muckelbauer1, L Libuda, K Clausen

  • 1Research Institute of Child Nutrition Dortmund, Dortmund, Germany. muckelbauer@fke-do.de

Child: Care, Health and Development
|August 26, 2009
PubMed
Summary

A school-based intervention promoting water consumption effectively helps prevent childhood overweight. Long-term evaluation shows potential for sustained behavior change, identifying key factors for successful implementation in schools.

Related Experiment Videos

Last Updated: Jun 20, 2026

Multidisciplinary Approach to Obesity Management: A Case Report
05:10

Multidisciplinary Approach to Obesity Management: A Case Report

Published on: May 30, 2025

Area of Science:

  • Public Health
  • Childhood Obesity Prevention
  • School-Based Interventions

Background:

  • Childhood overweight rates are rising, necessitating effective and feasible prevention programs.
  • School-based interventions promoting water consumption have shown success in preventing childhood overweight.
  • Long-term surveillance is crucial for assessing the sustainability and feasibility of such programs.

Purpose of the Study:

  • To conduct a process evaluation of a school-based intervention aimed at preventing childhood overweight.
  • To assess the feasibility and sustainability of the intervention over a one-year period and a 19-month follow-up.
  • To evaluate the implementation of intervention components, children's water consumption behaviors, and school staff attitudes.

Main Methods:

  • A process evaluation was conducted in 17 elementary schools over one school year and a 19-month follow-up.
  • Data collection included measuring water fountain flow rates, and administering questionnaires and interviews to teachers and headmasters.
  • Outcomes assessed were intervention implementation, children's water consumption, and staff attitudes towards the program.

Main Results:

  • Eleven schools maintained water fountains throughout the 19-month follow-up period.
  • Water fountain usage showed an initial decrease followed by stabilization.
  • Teacher-reported implementation rates for educational units varied (13%-84%), but overall intervention concept was rated positively.

Conclusions:

  • The combined educational and environmental intervention demonstrates potential for lasting changes in children's beverage habits.
  • The study identified barriers and facilitators crucial for the sustainable and feasible implementation of school-based obesity prevention programs.
  • Sustained modifications in beverage consumption are achievable through targeted school interventions.