scispace - formally typeset
Open AccessBook

Basic statistical concepts

A. E. Bartz
Reads0
Chats0
TLDR
In this paper, the authors present a sampling theory for Hypothesis Testing and a two-way analysis of variance, which is used in computer assisted data analysis, and the significance of the difference between means.
Abstract
1. Some Thoughts on Measurement. 2. Frequency Distributions and Graphical Methods. 3. Central Tendency. 4. Variability. 5. The Normal Curve. 6. Sampling Theory for Hypothesis Testing. 7. Correlation. 8. Prediction and Regression. 9. The Significance of the Difference Between Means. 10. Decision Making, Power, and Effect Size. 11. One-Way Analysis of Variance. 12. Two-Way Analysis of Variance. 13. Some Nonparametric Statistical Tests. References. Appendix 1: Formulas. Appendix 2: Basic Mathematics Refresher. Appendix 3: Statistical Tables. Appendix 4: Computer-Assisted Data Analysis. Answers to Odd-Numbered Problems. Index.

read more

Citations
More filters
Journal ArticleDOI

Effect of landing stiffness on joint kinetics and energetics in the lower extremity.

TL;DR: Ground reaction forces, joint positions, joint moments, and muscle powers in the lower extremity were compared between soft and stiff landings from a vertical fall of 59 cm to obtain the moments and powers during descent (free fall) and floor contact phases.
Journal ArticleDOI

The State-Trait Anxiety Inventory: Shadows and Lights on its Construct Validity

TL;DR: In this article, a confirmatory factor analysis was performed in order to compare various models in the literature, and the internal consistency and convergent and discriminant validity of the Spielberger's State-Trait Anxiety Inventory (STAI-T) as well as its factorial subscales were assessed.
Journal ArticleDOI

Factors influencing academic success or failure of first-year and senior university students: do education students and lecturers perceive things differently?

TL;DR: In this paper, the authors investigated the different expectations of first-year students, senior students, and lecturers and identified numerous important similarities and inconsistencies, and found that first year students may have unrealistic expectations about the non-academic factors that could reduce their chances of successful study.
Journal Article

The perceptions of students and lecturers of some factors influencing academic performance at two South African universities

TL;DR: In this article, the authors present the results of two recent empirical investigations at universities in South Africa (University of Pretoria and University of South Africa) where an attempt was made to identify the pre- and post-enrolment factors that lecturers and students perceived as having the most important influence on students' success in their university studies.
Journal ArticleDOI

Promoting narrative competence through adult-child joint pretense : Lessons from the Scandinavian educational practice of playworld

TL;DR: In this article, the authors examined the effects of the playworld educational practice on the development of narrative competence in 5- to 7-year-old children and found significant improvements in narrative length, coherence, and comprehension, although not in linguistic complexity.