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Chapter 7 Formulating Hypotheses and Research Questions Describe the different types of hypotheses: simple vs. complex, nondirectional vs. directional, and statistical vs. research. Review how hypotheses can be categorized inductively or deductively. Chapter 8 Selecting the Sample and Setting Discuss why defining the population is the first step when identifying a sample. Review the characteristics of a population and why the population of a study is termed the target population. Review the most common types of sampling and the advantages and disadvantages of each type.