biserial correlation


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Noun1.biserial correlation - a correlation coefficient in which one variable is many-valued and the other is dichotomous
biserial correlation coefficient
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
coefficient of correlation, correlation coefficient, correlation - a statistic representing how closely two variables co-vary; it can vary from -1 (perfect negative correlation) through 0 (no correlation) to +1 (perfect positive correlation); "what is the correlation between those two variables?"
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The point biserial correlation was used to examine the association between infertility status (primary vs.
Infertility, Psychological Distress, and Coping Strategies among Women in Mali, West Africa: A Mixed-Methods Study
The point biserial correlation coefficient (rpb) will measure the relationship of correct or incorrect answer with overall score and it ranges from 0 to 0.4.
EFFECTIVENESS OF MCQS IN ASSESSING HIGHER ORDER COGNITION
Spearman's correlation coefficient method ([Y.sub.s]) and rank biserial correlation coefficient ([Y.sub.rb]) method have been employed to analyse any sort of relationship between the two diverse data sets for the two student cohorts in stage one.
PlayIT: game based learning approach for teaching programming concepts
The Point-biserial correlation is mathematically equivalent to the Pearson (product moment) correlation that is, if we have one continuously measured variable X (here is the width of edge) and a dichotomous variable Y (here is edge or interior), [r.sub.XY] = [r.sub.pb] (point biserial correlation coefficient).
THE WIDTH OF EDGE EFFECTS OF ROAD CONSTRUCTION ON FAUNA AND ECOLOGICALLY CRITICAL ROAD DENSITY
(a) Pearson Product-Moment Correlation; (b) Point Biserial Correlation; (c) Spearman Rank-Order Rho Correlation.
Consumer perceptions of poultry production: a focus on Arkansas
Biserial correlation was applied to find out the relation between the disease and the environmental factors.
PREVALENCE OF SARCOPTIC MANGE IN CAMELS IN PUNJAB, PAKISTAN
Eta biserial correlation was used to establish the relationship between items and extreme score.
Validation of the general self-efficacy scale in psychiatric outpatient care/Validacion de la Escala General de Auto-eficacia en pacientes con trastornos mentales
Biserial Correlation Coefficients Means and Standard Deviations of Tested
Stay or Go A Path Model of Highly Educated Individuals' Migration Desires
The point biserial correlation coefficient ranges for the specific PC-PTSD items and the sources of social support are as follows: -0.14 to -0.34 for the PC-PTSD item assessing nightmares and intrusive thoughts and the sources of social support, -0.13 to -0.38 for the PC-PTSD item assessing avoidance and the sources of social support, -0.09 to -0.32 for the PC-PTSD item assessing hypervigilance and the sources of social support, and -0.28 to -0.45 for the PC-PTSD item assessing numbing and the sources of social support.
Posttraumatic stress disorder symptoms, levels of social support, and emotional hiding in returning veterans
To determinate if one variable presents significant correlation with the raw score produced by the variable series, initially was observed the item's biserial correlation. This step is crucial to choose which items have, indeed, internal consistence and associate themselves well to the score that will be produced.
Item response theory in the production of indicators of socioeconomic metropolitan region of Maringa, Parana State, Brazil/Teoria de resposta ao item na producao de indicadores socio-economicos da regiao metropolitana de Maringa, Estado do Parana, Brasil
Other correlations coefficients will test non-linear relationships or those not measured at the interval level, such as phi coefficient, point biserial correlation coefficient, and others (Lang & Secic, 2006).
Correlations
In addition, biserial correlation was used to study the relationship between the images and [L.sup.*], [a.sup.*], and [b.sup.*], and the I had used tetrachoric correlation analysis to assess the relationship between the images and grain patterns.
A study of the visual physical characteristics and psychological images of select Taiwanese hardwoods

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