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Descriptive statistic
In statistics, the intraclass correlation, or the intraclass correlation coefficient (ICC), is a descriptive statistic that can be used when quantitative
Intraclass_correlation
Estimation of effect of genetic variation on phenotypic variation of a trait
dominance deviation variance, intraclass correlations become linear functions of these parameters. In general, Intraclass correlation = r V a + θ V d , {\displaystyle
Heritability
Numerical measure of a statistical relationship between variables
\sum y^{2}} are the sums of squared x-scores and squared y-scores. Intraclass correlation (ICC) is a descriptive statistic that can be used when quantitative
Correlation_coefficient
Theory and technique of psychological measurement
research relating to measurement theory (e.g., item response theory, intraclass correlation) or specialize as learning and development professionals. The word
Psychometrics
In statistics, a measurement of the agreement between two variables
called intra-class correlations. Comparisons of the concordance correlation coefficient with an "ordinary" intraclass correlation on different data sets
Concordance correlation coefficient
Concordance_correlation_coefficient
Empirical law on the variance of species in a habitat
indicates overdispersion of the population. D is also related to intraclass correlation (ρ) which is defined as ρ = 1 − ∑ x i ( T − x i ) p ( 1 − p ) N
Taylor's_law
Statistical relationship
Illusory correlation Interclass correlation Intraclass correlation Lift (data mining) Mean dependence Modifiable areal unit problem Multiple correlation Point-biserial
Correlation
Statistic measuring inter-rater agreement for categorical items
as the unweighted kappa calculation given above. Bangdiwala's B Intraclass correlation Krippendorff's alpha Statistical classification Banerjee, M.; Capozzoli
Cohen's_kappa
Statistical measure used in survey research
well as formulas for the design effect of cluster sampling (with intraclass correlation); and the famous design effect formula for unequal probability sampling
Design_effect
Statistical measure of inter-rater agreement
\lim _{n\to \infty }{_{\text{ordinal}}\alpha }=\rho } . Pearson's intraclass correlation coefficient rii is an agreement coefficient for interval data, two
Krippendorff's_alpha
Topics referred to by the same term
interstitial cell found in the gastrointestinal tract Intraclass correlation or intraclass correlation coefficient Item characteristic curve, curves used
ICC
context here is the same as that of the intraclass correlation coefficient, whose value is the square of the correlation ratio. Suppose each observation is
Correlation_ratio
Measure of consensus in ratings given by multiple observers
Krippendorff's alpha, Brennan-Prediger, Fleiss generalized kappa, intraclass correlation coefficients Statistical Methods for Rater Agreement by John Uebersax
Inter-rater_reliability
Statistical measure
; Cohen, J. (1973), "The equivalence of weighted kappa and the intraclass correlation coefficient as measures of reliability", Educational and Psychological
Fleiss's_kappa
correlation coefficient is the most commonly used measure of interclass correlation. The interclass correlation differs from intraclass correlation,
Interclass_correlation
Sampling methodology in statistics
correlation or when there is intraclass correlation as in the Moulton context. When having few clusters, we tend to underestimate serial correlation across
Cluster_sampling
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Academic grading in the United States
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Scoring system for grading bowel-preparation quality during colonoscopy
original study, the BBPS showed good inter-observer reliability (intraclass correlation coefficient 0.74) and intra-observer reliability (weighted kappa
Boston Bowel Preparation Scale
Boston_Bowel_Preparation_Scale
Statistical framework
2044-8317.1963.tb00206.x. Shrout, P. E.; Fleiss, J. L. (1979). "Intraclass correlations: Uses in assessing rater reliability". Psychological Bulletin.
Generalizability_theory
Form of scientific experiment
results. This correlation is measured by the intraclass correlation, also known as the intracluster correlation. Though this correlation is a known component
Cluster-randomised controlled trial
Cluster-randomised_controlled_trial
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1925 statistics book by Ronald Fisher
Difference of Means, and Regression Coefficients The Correlation Coefficient Intraclass Correlations and the Analysis of Variance Further Applications of
Statistical Methods for Research Workers
Statistical_Methods_for_Research_Workers
Percent of variation in IQ scores in a given population associated with genetic variation
where r is the intraclass genetic correlation among members of the same group, t is corresponding phenotypic intraclass correlation. However, this equation
Heritability_of_IQ
Relative measure of dispersion expressed as the ratio of standard deviation to the mean
is not a valid measurement and alternative measures such as the intraclass correlation coefficient are recommended. The coefficient of variation fulfills
Coefficient_of_variation
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Statistical model
The σ 2 {\displaystyle \sigma ^{2}} parameter is also called the intraclass correlation coefficient. For random effects models the marginal likelihoods
Random_effects_model
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Type of statistical model
contexts). In addition, this model provides information about intraclass correlations, which are helpful in determining whether multilevel models are
Multilevel_model
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American mathematician (1937–2003)
among the first to notice the equivalence of weighted kappa and the intraclass correlation coefficient as measures of reliability in categorical data (see
Joseph_L._Fleiss
Free and open-source statistical program
in a console. One paper compared the results of frequencies, means, correlations and regression from a number of free to use menu driven statistical packages
JASP
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Problem of drawing inferences from cross-cultural data
accordingly. A formula of this sort is 1 + d (n − 1) where d is the intraclass correlation for the statistic in question. In general, estimation of the appropriate
Phylogenetic_autocorrelation
British polymath (1890–1962)
with whom he had two sons and six daughters. In 1918 he published "The Correlation between Relatives on the Supposition of Mendelian Inheritance", in which
Ronald_Fisher
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coded responses were compared and the results indicate an average intraclass correlation of 0.88 and median of 0.92 across all of the variables. The findings
Rorschach Performance Assessment System
Rorschach_Performance_Assessment_System
Bilingual secondary school leaving certification
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Educational assessment
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Standardized measurement of academic performance
future job effectiveness and success. In addition, research has shown a correlation between GPA and future job satisfaction. Studies have also shown that
Grading_in_education
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Interval estimation Intervening variable Intra-rater reliability Intraclass correlation Invariant estimator Invariant extended Kalman filter Inverse distance
List_of_statistics_articles
Test administered and scored in a predetermined, standard manner
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Standardized_test
Pan-European school grading system
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ECTS_grading_scale
Number, that conveys the performance of an examinee on a test
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Test_score
Method that extracts features from radiographic medical images
automatic/semiautomatic models’ have good robustness measured by Intraclass Correlation Coefficient. Another important factor is consistency. The algorithm
Radiomics
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Physical mobility test
Research has shown the Timed up and Go test has excellent interrater (intraclass correlation coefficient [ICC] = .99) and intrarater reliability (ICC = .99)
Timed_Up_and_Go_test
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Test with important consequences for the test taker
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Awarding higher grades than deserved
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Psychological measurement
values of 0.50 and higher over the course of a week for the AQ-27. Intraclass correlations were tested over the course of a week and had test-retest reliability
Attribution_Questionnaire
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Questionnaire that assesses sleep quality
Test-retest reliability Adequate Two of the studies reported the intraclass correlation coefficient of greater than or equal to 0.70 over a period of several
Pittsburgh Sleep Quality Index
Pittsburgh_Sleep_Quality_Index
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Quality metric for mucosal visualization during upper gastrointestinal endoscopy
prospective validation, the score showed inter-rater reliability (intraclass correlation coefficient) of 0.79 (95% CI 0.64–0.88), test–retest reliability
Toronto Upper Gastrointestinal Cleaning Score
Toronto_Upper_Gastrointestinal_Cleaning_Score
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Development of a child's ability to adapt to kindergarten
of school readiness, and has excellent test-retest reliability (intraclass correlation coefficient = .82; Granziano et al. 2015). The Bracken School Readiness
Kindergarten_readiness
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Research interview technique
demonstrated substantial agreement among raters with an average intraclass correlation coefficient of 0.72 (95% CI). The assumption that interviewers can
Clean_language_interviewing
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INTRACLASS CORRELATION
INTRACLASS CORRELATION
INTRACLASS CORRELATION
INTRACLASS CORRELATION
INTRACLASS CORRELATION
INTRACLASS CORRELATION
INTRACLASS CORRELATION
INTRACLASS CORRELATION
INTRACLASS CORRELATION