Chapter 2 Practice Test

Chapter 2 Practice Test Theories permit researchers to move from: Answer: Description to understand Psychologies look for theories to understand, investigate and describe their research. They research and apply their findings to achieve their goals. A theory is a set system of interrelated ideas used to explain a set of observations. Researchers must describe the actions that will be taken to measure or control each variable in their studies. In other words, they must: Answer: Provide operational definitions of their variables Before testing researchers must first establish what each variable will be in the study. They must also be formulated just right so that there clearly defined. When researchers are testing a variable we create an operational definition.