AP PSYCHOLOGY

Detailed explanation-1: -Questionnaires are popular research methods because they offer a fast, efficient and inexpensive means of gathering large amounts of information from sizeable sample volumes. These tools are particularly effective for measuring subject behavior, preferences, intentions, attitudes and opinions.

Detailed explanation-2: -One of the biggest advantages of descriptive research is that it allows you to analyze facts and helps you in developing an in-depth understanding of the research problem. Another benefit of descriptive research is that it enables you to determine the behavior of people in a natural setting.

Detailed explanation-3: -Surveys are useful in describing the characteristics of a large population. No other research method can provide this broad capability, which ensures a more accurate sample to gather targeted results in which to draw conclusions and make important decisions.

Detailed explanation-4: -Correlation Coefficient: A statistical measure of the extent to which two factors vary together, and thus how well either factor predicts the other.

Detailed explanation-5: -The term observational research is used to refer to several different types of non-experimental studies in which behavior is systematically observed and recorded.