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

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

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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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. 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 estimated it took about 10 minutes to complete the PSQ. Their first study included people ages 12 to 36 ( n = 50...

Student Self-Efficacy

Assessment name: STUDENT SELF-EFFICACY SCALE * Note. This post has been updated to provide an available measure of student self-efficacy. ———- Scale overview: The student self-efficacy scale i s a 10-item measure of self-efficacy. It was developed using data from university nursing students in the United States. Authors: Melodie Rowbotham and Gerdamarie Schmitz Response Type: A four-choice rating scale as follows: 1 = not at all true 2 = hardly true 3 = moderately true 4 = exactly true Self-efficacy is the perception that a person can act in a way to achieve a desired goal. Scale items There are 10 items. Examples: I am confident in my ability to learn, even if I am having a bad day. If I try hard enough, I can obtain the academic goals I desire. Psychometric properties The authors reported that their sample scores ranged from 25 to 40 with a scale mean of 34.23 ( SD = 3.80. Internal consistency was high at alpha = .84. The a...

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 ...

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