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Related Concept Videos

Case Studies01:22

Case Studies

There are many research methods available to psychologists in their efforts to understand, describe, and explain behavior and the cognitive and biological processes that underlie it.
Group Design02:01

Group Design

The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between the two are due to...
The Scientific Method02:40

The Scientific Method

Research is what makes the difference between facts and opinions. Facts are observable realities, and opinions are personal judgments, conclusions, or attitudes that may or may not be accurate. In the scientific community, facts can be established only using evidence collected through empirical research.
Ethics in Research01:56

Ethics in Research

Today, scientists agree that good research is ethical in nature and is guided by a basic respect for human dignity and safety. However, this has not always been the case. Modern researchers must demonstrate that the research they perform is ethically sound.
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...
Crossover Experiments01:16

Crossover Experiments

Crossover experiments, also called the repeated-measurements design, is a study design in which all experimental units are exposed to all treatments in different periods. Crossover experiments are generally used in psychology, the pharmaceutical industry, agriculture, and medicine.
Crossover designs are performed even with smaller sample sizes since the samples can act as their controls. These are better than simple randomized trials since patients are exposed to all the treatments.

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Related Experiment Video

Updated: May 29, 2026

Enactive Phenomenological Approach to the Trier Social Stress Test: A Mixed Methods Point of View
05:26

Enactive Phenomenological Approach to the Trier Social Stress Test: A Mixed Methods Point of View

Published on: January 7, 2019

A mixed method pilot study: the researchers' experiences.

Jacinta M Secomb1, Colleen Smith

  • 1Australian Catholic University, School of Nursing and Midwifery, Fitzroy, VIC, Australia.

Contemporary Nurse
|September 30, 2011
PubMed
Summary
This summary is machine-generated.

This pilot study tested methods for a larger trial, identifying strategies to overcome barriers and improve future research outcomes. Enhanced reporting on pilot studies is crucial for advancing scientific knowledge.

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A Cross-Disciplinary and Multi-Modal Experimental Design for Studying Near-Real-Time Authentic Examination Experiences
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Published on: September 4, 2019

Area of Science:

  • Methodology in clinical research
  • Pilot study design and analysis

Background:

  • Pilot studies frequently yield limited results, often lacking statistical significance.
  • There is a need to improve the knowledge contribution of pilot research.

Purpose of the Study:

  • To evaluate the design of a pre-test post-test parallel randomized controlled trial.
  • To assess the utility of inductive content analysis for focus group transcripts.
  • To inform the development of a larger, more robust study.

Main Methods:

  • Employed a parallel randomized controlled trial design with pre-test and post-test measures.
  • Utilized inductive content analysis for qualitative data from focus groups.
  • Focused on testing methodologies to enhance outcomes for a subsequent larger study.

Main Results:

  • Developed strategies to address operational challenges and recruitment issues.
  • Established connections between qualitative and quantitative components for the proposed larger study.
  • Anticipate that integrated findings will provide greater depth to the final research report.

Conclusions:

  • Advocates for more comprehensive reporting of pilot study outcomes.
  • Emphasizes the importance of pilot studies in expanding the scientific knowledge base.
  • Suggests that improved reporting will benefit the research community.