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

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

Data, datum >> Data

Dependent Measure >> DM

Dependent Samples t test >> Dependent t test

Dependent Variable >> DV

Exploratory Factor Analysis >> EFA

Factor Analysis >> FA

Four Types of Measurement >> Scales

Grouping variable >> Grouping

Independent Variable >> IV

Interval Scale >> Scales

Invariance Testing >> Invariance

Kurtosis >> Kurtosis

Lifespan – Life Expectancy Difference >> LifeStats

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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

Nominal Scale >> Scales

Normal curve >> Normal

Normal Distribution >> Normal

Ordinal Scale >> Scales

Ratio Scale >> Scales

Regression >> Regression

Reliability of tests >> Reliability

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

Test Scores- how to compare >> Compare

Test-Retest reliability >> Reliability

Validity of tests >> Validity

Variance >> VAR

z-scores >> z-scores

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Key words #statistics #testscores #counselorstats #stats

Test list for Surveys & Clinical Practice >> Test Index

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Personal Self-Concept Questionnaire (PSQ)

The Personal Self-Concept Questionnaire ( PSQ ) Overview The Personal Self-Concept Questionnaire (PSQ) measures self-concept based on ratings of 18 items, which are grouped into four categories: Self-fulfilment, autonomy, honesty, and emotional self-concept. It is a likert-type rating scale with high internal consistency values and has been used with youth and adults. Subscales : The PSQ has four subscales 1. Self-fulfilment (6 items) 2. Autonomy (4 items) 3. Honesty (3 items) 4. Emotional self-concept (5 items) 👉 [ Read more about Self-Concept and Self-Identity] The PSQ is a Likert-type scale with five response options ranging from totally disagree to totally agree. Reliability and Validity In the first study, coefficient alpha = .85 and in study two, alpha = .83. Data analysis supported a four-dimensional model (see the four categories above). Positive correlations with other self-concept measures were statistically significant. Other notes The authors e...

Mathematics Self-Efficacy and Anxiety Questionnaire (MSEAQ)

Scale name: Mathematics Self-Efficacy and Anxiety Questionnaire (MSEAQ) Scale overview: The Mathematics Self-Efficacy and Anxiety Questionnaire (MSEAQ) is a 29-item self-report measure of both mathematics self-efficacy and mathematics anxiety. Author: Diana Kathleen May Response Type: Items are rated on a 5-point Likert-type scale following a “no response” option: 1 = Never 2 = Seldom 3 = Sometimes 4 = Often 5 = usually Sample items 1. I feel confident enough to ask questions in my mathematics class. 6. I worry that I will not be able to get a good grade in my mathematics course. Subscales and basic statistics for the MSEAQ Self-Efficacy M = 44.11, SD = 10.78, alpha = .93 Anxiety M = 46.47, SD = 12.61, alpha = .93 Total Scale M = 90.58, SD = 22.78, alpha = .96 Reliability: See the Cronbach’s alpha levels reported above. Validity: There were significant ...

Academic Self-Efficacy Scale ASE

Overview The Academic Self-Efficacy Scale is an application of Self-Efficacy Theory to examine the relationship between self-efficacy and academic performance using 8-items rated on a 7-point scale. The work of Chemers et al. (2001) has been widely cited. Format The 8-items are rated on a 7-point Likert-type scale ranging from 1 = Very Untrue to 7 = Very True. Sample Items 2. I know how to take notes. 6. I usually do very well in school and at academic tasks. Reliability, Validity, and Other Research notes In the article describing the development and use of the ASE, the authors observed: “As predicted, academic self-efficacy was significantly and directly related to academic expectations and academic performance.” (Chemers et al., 2001, p. 61) Sutton et al. (2011) reported Cronbach's alpha of .83 in their study of academic self-esteem and personal strengths. ASE was highly positively correlated with ACT scores (.24) and GPA (.39)....

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