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Psychology is defined as the _____. a. science of conscious and unconscious forces b. empirical study of the mind and behavior c. scientific study of the mind d. scientific study of behavior and mental processes

Researchers using the case study approach are most likely to _____________ . a. interview many research participants who have a single problem or disorder b. conduct an in-depth study of a single research participant c. choose and investigate a single topic d. use any of these options, which describe different types of case studies

A(n) __________ provides a precise definition of how the variables in a study will be observed and measured. a. meta-analysis b. theory c. independent observation d. operational definition

Define critical thinking.

When a researcher observes or measures two or more variable to find relationships between them, without directly manipulating them or implying a causal relationship, he or she is conducting _______ . a. experimental research b. a correlational study c. non-causal metrics d. a meta-analysis

_____ is generally acknowledged to be the father of psychology. a. Sigmund Freud b. B. F. Skinner c. Wilhelm Wundt d. William Tell

One of the clearest findings in psychology is that ___ practice is a much more efficient way to study and learn than ___ practice. a. spaced (distributed); massed b. active; passive c. applied; basic d. none of these options

Which of the following correlation coefficients indicates the strongest relationship? a. +.43 b. -.64 c-.72 d. .00

If researchers gave participants varying amounts of a new memory drug and then gave them a story to read and measured their scores on a quiz, the ________ would be the \(\mathrm{IV}\), and the _______ would be the \(\mathrm{DV}\). a. response to the drug; amount of the drug b. experimental group; control group c. amount of the drug; quiz scores d. researcher variables; extraneous variables.

Briefly explain the difference between a scientific theory, an opinion, and a hunch.