Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Per-Unit Sequence Models01:26

Per-Unit Sequence Models

113
An ideal Y-Y transformer, grounded through neutral impedances, displays per-unit sequence networks akin to those of a single-phase ideal transformer when subjected to balanced positive- or negative-sequence currents. These currents do not produce neutral currents, and their associated voltage drops.
Zero-sequence currents, which are identical in magnitude and phase, generate a neutral current, resulting in voltage drops across the neutral impedance and the low-voltage winding. If the...
113
Friedman Two-way Analysis of Variance by Ranks01:21

Friedman Two-way Analysis of Variance by Ranks

284
Friedman's Two-Way Analysis of Variance by Ranks is a nonparametric test designed to identify differences across multiple test attempts when traditional assumptions of normality and equal variances do not apply. Unlike conventional ANOVA, which requires normally distributed data with equal variances, Friedman's test is ideal for ordinal or non-normally distributed data, making it particularly useful for analyzing dependent samples, such as matched subjects over time or repeated measures...
284
Law of Independent Assortment02:03

Law of Independent Assortment

56.3K
While Mendel’s Law of Segregation states that the two alleles for one gene are separated into different gametes, a different question of how different genes are inherited remains. For example, is the gene for tall plants inherited with the gene for green peas? Mendel asked this question by experimenting with a dihybrid cross; a cross in which both parents are homozygous for two distinct traits resulting in an F1 generation that are heterozygous for both traits.
56.3K
One-Way ANOVA: Equal Sample Sizes01:15

One-Way ANOVA: Equal Sample Sizes

3.4K
One-Way ANOVA can be performed on three or more samples with equal or unequal sample sizes. When one-way ANOVA is performed on two datasets with samples of equal sizes, it can be easily observed that the computed F statistic is highly sensitive to the sample mean.
Different sample means can result in different values for the variance estimate: variance between samples. This is because the variance between samples is calculated as the product of the sample size and the variance between the...
3.4K
One-Way ANOVA: Unequal Sample Sizes01:15

One-Way ANOVA: Unequal Sample Sizes

5.9K
One-way ANOVA can be performed on three or more samples of unequal sizes. However, calculations get complicated when sample sizes are not always the same. So, while performing ANOVA with unequal samples size, the following equation is used:
5.9K
Test for Homogeneity01:23

Test for Homogeneity

2.1K
The goodness–of–fit test can be used to decide whether a population fits a given distribution, but it will not suffice to decide whether two populations follow the same unknown distribution. A different test, called the test for homogeneity, can be used to conclude whether two populations have the same distribution. To calculate the test statistic for a test for homogeneity, follow the same procedure as with the test of independence. The hypotheses for the test for homogeneity can...
2.1K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Studies on light catalysis oxidation degradation of Malachite Green by Photo-Fenton reagent].

Guang pu xue yu guang pu fen xi = Guang pu·2007
Same author

Alternative conformations of the archaeal Nop56/58-fibrillarin complex imply flexibility in box C/D RNPs.

Journal of molecular biology·2007
Same author

Validation of nonnested and real-time PCR for diagnosis of sheep-associated malignant catarrhal fever in clinical samples.

Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·2007
Same author

Room temperature fabrication of porous ZnO photoelectrodes for flexible dye-sensitized solar cells.

Chemical communications (Cambridge, England)·2007
Same author

Influence of medication choice and comorbid diabetes: the cost of bipolar disorder in a privately insured US population.

Social psychiatry and psychiatric epidemiology·2007
Same author

Mechanistic studies of the long chain acyl-CoA synthetase Faa1p from Saccharomyces cerevisiae.

Biochimica et biophysica acta·2007
Same journal

Analysis of strength degradation of coal and rock masses and stability of mined areas under long term immersion environment.

PloS one·2026
Same journal

Biogenic Silver-Selenium nanocomposite with anticancer activity and potent efficacy against vancomycin-resistant Staphylococcus aureus.

PloS one·2026
Same journal

Preparation and physicochemical characterization of a biodegradable chitosan/carboxymethyl cellulose hydrogel synthesized in NaOH/urea medium.

PloS one·2026
Same journal

Action-guilt, survivor-guilt, and depression in combat-related PTSD.

PloS one·2026
Same journal

Explainable machine learning for predicting activities of daily living at discharge in stroke patients: A retrospective study using SHAP interpretability.

PloS one·2026
Same journal

Deep learning based two-way feature depiction model for brain tumor detection.

PloS one·2026
See all related articles

Related Experiment Video

Updated: Aug 31, 2025

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments
08:12

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

Published on: March 1, 2022

2.6K

Distributional analyses reveal the individual differences in congruency sequence effect.

Dandan Tang1, Xuefei Chen2, Hong Li3

  • 1School of Teacher Education, Zunyi Normal University & Zunyi Institute of Family Education, Zunyi, Guizhou, China.

Plos One
|August 22, 2022
PubMed
Summary
This summary is machine-generated.

The congruency sequence effect, a measure of conflict adaptation, showed varied performance improvements across different cognitive tasks. This study reveals task-dependent characteristics and supports the activation suppression hypothesis.

More Related Videos

RBDT: A Computerized Task System based in Transposition for the Continuous Analysis of Relational Behavior Dynamics in Humans
11:09

RBDT: A Computerized Task System based in Transposition for the Continuous Analysis of Relational Behavior Dynamics in Humans

Published on: July 17, 2021

3.1K
Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies
05:22

Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies

Published on: May 9, 2019

5.4K

Related Experiment Videos

Last Updated: Aug 31, 2025

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments
08:12

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

Published on: March 1, 2022

2.6K
RBDT: A Computerized Task System based in Transposition for the Continuous Analysis of Relational Behavior Dynamics in Humans
11:09

RBDT: A Computerized Task System based in Transposition for the Continuous Analysis of Relational Behavior Dynamics in Humans

Published on: July 17, 2021

3.1K
Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies
05:22

Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies

Published on: May 9, 2019

5.4K

Area of Science:

  • Cognitive Psychology
  • Neuroscience

Background:

  • The congruency sequence effect (CSE) reflects conflict adaptation, where performance improves after incongruent trials.
  • Limited research exists on CSE's distributional characteristics across standard cognitive tasks.

Purpose of the Study:

  • To investigate the distributional properties of CSE in healthy adults across Stroop, word Flanker, and letter Flanker tasks.
  • To examine how task nature and difficulty influence CSE distribution and inter-individual variability.

Main Methods:

  • A between-subjects design was employed with participants performing one of three tasks: Stroop, word Flanker, or letter Flanker.
  • Statistical analyses, including distributional property comparisons and delta plot analyses, were conducted.

Main Results:

  • CSE was observed in the Stroop and word Flanker tasks but not the letter Flanker task, suggesting task-specific effects.
  • CSE distributional properties approximated a Gaussian distribution in the Stroop and word Flanker tasks.
  • Delta plot analyses confirmed increased CSE in slower performance percentiles for Stroop and word Flanker tasks, supporting the activation suppression hypothesis.

Conclusions:

  • The presence and distribution of CSE are influenced by the specific cognitive task's nature and difficulty.
  • Findings support the activation suppression hypothesis as an explanation for CSE.
  • This study contributes novel insights into the inter-individual variability of CSE across different tasks.