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Statistics for international social work and other behavioral sciences /
This book focuses on the most commonly encountered statistical methods used by social workers, informed by the guiding teaching philosophy that, to best understand statistics, students should be presented with a progression of concepts and calculations based on traditional manual computations as wel...
| Clasificación: | Libro Electrónico |
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| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Oxford ; New York :
Oxford University Press,
[2016]
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Statistics for International Social Work And Other Behavioral Sciences; Copyright; Dedication; CONTENTS IN BRIEF; CONTENTS IN DETAIL; List of Figures; List of Tables; Preface; 1. Brief Introduction to Research and Statistics; Overview; Statistical Concepts; You as the Researcher; Types of Statistics; Descriptive Statistics; Inferential Statistics; Evidence-Based Practice and Statistics; Relationship Between Research Methods and Statistics; The Research Cycle; Problem Identification; Operationalization; Methodology; Statistical Analysis; Summary; General Class Discussions.
- 2. Variables, Levels of Measurement, and Ethical ResponsibilitiesOverview; Variables; What is a Variable?; Variable Value and Value Category; Variable Classification; Types of Variables; Two Types of Data; Quantitative Data; Qualitative Data; Levels of Measurement; Nominal Variable (Nominal Data); Ordinal-Level Variable (Ordinal Data); Interval-Level Variable (Interval Data); Ratio-Level Variable (Ratio Data); Ethical Issues in Social Science Research and Statistics; Informed Consent; Anonymity; Confidentiality; Sensitive Information; Reliability and Validity; Summary.
- 3. Descriptive Statistics: Frequency DistributionsOverview; Frequency Distributions; Frequencies; Percentage and Valid Percentage; Cumulative Frequency and Cumulative Percentage; Graphs; Bar Graphs (Bar Charts); Pie Graphs (Pie Charts); Histograms; Frequency Polygon (Line Graph); Summary; Study Questions; Answers to Study Questions; 4. Descriptive Statistics: Measures of Central Tendency and Variability; Overview; Measures of Central Tendency; The Mean; Trimmed Mean; The Median; The Mode; Important Note About Outliers; Measures of Variation; The Range; Properties of Mean and Mean Deviation.
- The VarianceThe Standard Deviation; Coefficient of Variation; Summary; Study Questions; Answers to Study Questions; 5. Normal Distribution and Z Score; Overview; Background of the Normal Distribution; Properties of the Normal Curve; Areas Under the Normal Curve; Understanding the Z Score; Calculate the Z Score and Convert to Percentile Rank; Additional Note About the Z Score; Summary; Study Questions; Answers to Study Questions; 6. Probability and Hypothesis Testing; Overview; Population and Sample; Population; Sample; Probability and Sampling Distribution of Mean; Probability.
- Sampling Distribution of the MeanHypothesis and Hypothesis Testing; Types of Hypotheses; Research Hypothesis; The Null Hypothesis; Direction of the Hypothesis; Directional (One-Tailed) Hypothesis; Nondirectional (Two-Tailed) Hypothesis; Constructing the Confidence Interval; What Is the Confidence Interval?; Decision-Making Using the Confidence Interval; Interpreting Results of Tests of Statistics; Constructing the Confidence Interval Using the Z Score; Statistics Rules in Converting Proportion into a Z Score; Errors in Hypothesis Testing and Alternative Explanations; Type I and Type II Errors.