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Introduction
Acknowledgements
About this Book
About the Authors of the Current Edition
Preface
Methods of Knowing
Understanding Science
Goals of Science
Science and Common Sense
Experimental and Clinical Psychologists
Key Takeaways and Exercises
A Model of Scientific Research in Psychology
Finding a Research Topic
Generating Good Research Questions
Developing a Hypothesis
Designing a Research Study
Analyzing the Data
Drawing Conclusions and Reporting the Results
Key Takeaways and Exercise
Moral Foundations of Ethical Research
From Moral Principles to Ethics Codes
Putting Ethics Into Practice
Understanding Psychological Measurement
Reliability and Validity of Measurement
Practical Strategies for Psychological Measurement
Experiment Basics
Experimental Design
Experimentation and Validity
Practical Considerations
Overview of Non-Experimental Research
Correlational Research
Complex Correlation
Qualitative Research
Observational Research
Overview of Survey Research
Constructing Surveys
Conducting Surveys
One-Group Designs
Non-Equivalent Groups Designs
Setting Up a Factorial Experiment
Interpreting the Results of a Factorial Experiment
Overview of Single-Subject Research
Single-Subject Research Designs
The Single-Subject Versus Group “Debate”
American Psychological Association (APA) Style
Writing a Research Report in American Psychological Association (APA) Style
Other Presentation Formats
Describing Single Variables
Describing Statistical Relationships
Expressing Your Results
Conducting Your Analyses
Understanding Null Hypothesis Testing
Some Basic Null Hypothesis Tests
Additional Considerations
From the “Replicability Crisis” to Open Science Practices
Appendix
Glossary
References
Resources for Instructors