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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...
Bioequivalence Experimental Study Designs: Repeated Measures, Cross-Over, Carry-Over, and Latin Square Designs01:15

Bioequivalence Experimental Study Designs: Repeated Measures, Cross-Over, Carry-Over, and Latin Square Designs

Bioequivalence experimental study designs play a pivotal role in testing the effectiveness of various treatments. Key among these are the repeated measures, cross-over, carry-over, and Latin square designs. In the repeated measures design, each subject receives all treatments, allowing for temporal comparisons. This type of design is useful in reducing variability but requires careful planning to avoid bias.The cross-over design, an economical method, involves sequential administration of...
Data Collection by Experiments01:13

Data Collection by Experiments

Data collection is a systematic method of obtaining, observing, measuring, and analyzing accurate information. An experimental study is a standard method of data collection that involves the manipulation of the samples by applying some form of treatment prior to data collection. It refers to manipulating one variable to determine its changes on another variable. The sample subjected to treatment is known as “experimental units.”
An example of the experimental method is a public clinical trial...
Experimental Designs01:16

Experimental Designs

An experimental design is a systematic process that allows researchers to evaluate the relationship between dependent and independent variables. There are three widely used types of experimental design - pre-experimental design, true experimental design, and quasi-experimental design. In pre-experimental design, the researcher compares the data before and after some interventions or treatments. The true-experimental design has more than one purposefully created group, a commonly measured...
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: Jun 3, 2026

The Adjuvant Efficacy of Angong Niuhuang Pill in the Treatment of Viral Encephalitis: A Meta-Analysis of Randomized Controlled Trials
08:36

The Adjuvant Efficacy of Angong Niuhuang Pill in the Treatment of Viral Encephalitis: A Meta-Analysis of Randomized Controlled Trials

Published on: April 19, 2024

Sequential meta-analysis of single-case experimental data.

Sofie Kuppens1, Mieke Heyvaert, Wim Van den Noortgate

  • 1Methodology of Educational Sciences Research Group, Faculty of Psychology and Educational Sciences, Katholieke Universiteit Leuven, Andreas Vesaliusstraat 2, P.O. Box 3762, 3000, Leuven, Belgium. Sofie.Kuppens@ped.kuleuven.be

Behavior Research Methods
|April 2, 2011
PubMed
Summary
This summary is machine-generated.

Sequential meta-analysis helps determine if enough cumulative knowledge exists in single-case research. This method aids behavioral researchers in efficiently assessing evidence and optimizing resource allocation.

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Meta-analysis of Voxel-Based Neuroimaging Studies using Seed-based d Mapping with Permutation of Subject Images (SDM-PSI)

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Last Updated: Jun 3, 2026

The Adjuvant Efficacy of Angong Niuhuang Pill in the Treatment of Viral Encephalitis: A Meta-Analysis of Randomized Controlled Trials
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Published on: April 19, 2024

Meta-analysis of Voxel-Based Neuroimaging Studies using Seed-based d Mapping with Permutation of Subject Images (SDM-PSI)
06:26

Meta-analysis of Voxel-Based Neuroimaging Studies using Seed-based d Mapping with Permutation of Subject Images (SDM-PSI)

Published on: November 27, 2019

Area of Science:

  • Behavioral Science
  • Research Methodology
  • Statistical Analysis

Background:

  • Single-case research synthesis often faces challenges in determining knowledge sufficiency.
  • Assessing the cumulative evidence base is crucial for drawing reliable conclusions.

Purpose of the Study:

  • To introduce sequential meta-analysis as a method for evaluating knowledge sufficiency in single-case research.
  • To provide a framework for behavioral researchers to optimize resource use by determining when enough evidence is available.

Main Methods:

  • The study presents sequential meta-analysis, combining cumulative meta-analysis of single-case experimental data with formal sequential testing.
  • Underlying statistical techniques are described.
  • A practical strategy is illustrated using a real meta-analytic database.

Main Results:

  • Sequential meta-analysis offers a structured approach to assess the sufficiency of cumulative knowledge.
  • The methodology provides a tool for guiding research synthesis decisions.

Conclusions:

  • Sequential meta-analysis is a valuable tool for behavioral researchers.
  • It aids in efficiently determining the adequacy of evidence in single-case research synthesis, optimizing resource allocation.