UNIT 13

Contents

Unit Thirteen
Tactics of Scientific Inquiry

Introduction 1

Module 1 The Tasks of Sclence 3
Scientific Theory
The Function of Theory
The Generalization of Behavioral Data

Module 2 The Design of Experiments 17
Control Group Designs
Experimental Analysis Techniques
Correlational Techniques
Biases

Module 3 Defining, Maasurement, and Scaling 29
Operational Definitions
Scales

Module 4 Collecting and Organizing Data 39
Transforming the Data
Frequency Distribution

Module 5 Descriptive Statlatics S1
Measures of Central Tendency
Measures of Dispersion

Module 6 Inferential Statistics 61
The Normal Curve
Z-Scores
Statistical Significance
Experimental Error

ANSWER KEY

Glossary

References

Unit 13 Table of Contents

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April 19, 2003