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A - Z Statistics Terms

 


Index to Statistical Concepts and Principles

This is an index to terms found in behavioral science statistics associated with testing and research. I add to this list and expand on the terms along with examples. Please consider subscribing or book-marking the page to find new definitions and examples.

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Click the link following the >> to learn about the concept

 

Age scores >> AGE

alpha level (in research) >> alpha

alpha (Cronbach) reliability >> Reliability

alpha waves >> alpha

ANOVA >> ANOVA

ANCOVA >> ANCOVA


Bell curve >> Normal Curve


C

Categorical variable  >>  Categorical

Charts – Linear Trends  >>  Line Chart

Charts – Map example >>  Map Chart

Chi Square  >> Chi

Coefficient alpha >> Reliability

Confirmatory Factor Analysis   >>   CFA

Continuous variable  >> continuous

correlation, Pearson's r   >>  correlation

Cramer's V  >> Cramer's V

Cronbach's alpha >> Cronbach


D

Data, datum  >>  Data

Degrees of Freedom >> DF

Dependent Measure  >>  DM

Dependent Samples t test  >>  Dependent t test

Dependent Variable  >>  DV

E

Exploratory Factor Analysis   >>  EFA


F


Factor Analysis   >>   FA

Four Types of Measurement   >> Scales


Grouping variable  >> Grouping

I

Independent Variable  >>  IV

Interval Scale  >> Scales

Invariance Testing >> Invariance

K

Kurtosis >>  Kurtosis

L

Lifespan – Life Expectancy Difference  >>  LifeStats

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M


MANCOVA >> MANCOVA

MANOVA  >> MANOVA

Matched Pairs t test  >>  Matched t test

Mean >> Mean or Median

Median  >> Mean or Median

Mental Age >> mental age score

Mode   >>   Mode

N

Nominal Scale >> Scales

Normal curve >>  Normal

Normal Distribution >>  Normal

Ordinal Scale  >> Scales

Ratio Scale  >> Scales

Regression  >> Regression

Regression to the Mean. >> Regress MEAN


Reliability of tests >> Reliability


S

S-curves  >>  S-Curves

Scoring negatively worded items  >> Scoring Negative Items

Skew, skewed distributions  >>  Skew

Spearman-Brown >> S-B

Split-half reliability >> Reliability

Standard Deviation >> SD

Standard Error of Measurement  >>  SEM

Structural Equation Modeling    >>  SEM


T

t-test, Independent samples   >> t-test-Independent

Test Scores- how to compare >> Compare

Test-Retest reliability >> Reliability



Validity of tests  >> Validity

Variance >> VAR

XYZ


z-scores  >>  z-scores

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Post Author

Geoffrey W. Sutton, Professor Emeritus of Psychology at Evangel University, holds a master’s degree in counseling and a PhD in psychology from the University of Missouri-Columbia. His postdoctoral work encompassed education and supervision in forensic and neuropsychology. As a licensed psychologist, he conducted clinical and neuropsychological evaluations and provided psychotherapy for patients in various settings, including schools, hospitals, and private offices. During his tenure as a professor, Dr. Sutton taught courses on psychotherapy, assessment, and research. He has authored over one hundred publications, including books, book chapters, and articles in peer-reviewed psychology journals. His website is https://suttong.com You can find Dr. Sutton's books on   AMAZON    and  GOOGLE. Many publications are free to download at ResearchGate   and Academia  

 



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