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Related Concept Videos

Controls in Experiments01:13

Controls in Experiments

When conducting an experiment, it is crucial to have control to reduce bias and accurately measure the dependent variables. It also marks the results more reliable. Controls are elements in an experiment that have the same characteristics as the treatment groups but are not affected by the independent variable. By sorting these data into control and experimental conditions, the relationship between the dependent and independent variables can be drawn. A randomized experiment always includes a...
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For solutions containing mixtures of different cations, the identity of each cation can be determined by qualitative analysis. This technique involves a series of selective precipitations with different chemical reagents, each reaction producing a characteristic precipitate for a specific group of cations. Metal ions within a group are further separated by varying the pH, heating the mixture to redissolve a precipitate, or adding other reagents to form complex ions.
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Related Experiment Video

Updated: Jun 23, 2026

Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning
10:39

Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning

Published on: August 29, 2025

Rigour in qualitative research: mechanisms for control.

Kimberley D Ryan-Nicholls1, Constance I Will

  • 1University of Calgary, Canada.

Nurse Researcher
|May 12, 2009
PubMed
Summary
This summary is machine-generated.

Qualitative researchers face criticism regarding methodological rigor. This study provides recommendations for enhancing control mechanisms in qualitative inquiry to ensure robust research practices.

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Last Updated: Jun 23, 2026

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Area of Science:

  • Social Sciences
  • Research Methodology

Background:

  • Qualitative research is frequently scrutinized for perceived deficiencies in methodological rigor.
  • Ensuring the quality and trustworthiness of qualitative findings is paramount in scientific discourse.

Purpose of the Study:

  • To address criticisms of methodological rigor in qualitative research.
  • To offer cautionary recommendations for controlling methodological rigor in qualitative inquiry.

Main Methods:

  • This study involves a critical review of existing practices in qualitative research.
  • Recommendations are based on established principles of research quality and control.

Main Results:

  • Identified specific areas where methodological rigor in qualitative research can be strengthened.
  • Proposed practical mechanisms for enhancing the control and demonstration of rigor.

Conclusions:

  • Implementing recommended control mechanisms can improve the perceived and actual methodological rigor of qualitative studies.
  • Strengthened rigor enhances the credibility and impact of qualitative research findings.