AP PSYCHOLOGY

Detailed explanation-1: -If a researcher is studying different approaches to dieting to determine which is the most effective for weight loss, the experimenter’s manipulation of dieting is the: independent variable.

Detailed explanation-2: -Experimental Variables A manipulated variable is also called an independent variable. A responding variable is a variable that the researcher predicts will change if the manipulated variable changes. A responding variable is also called a dependent variable.

Detailed explanation-3: -Manipulating an independent variable and measuring the dependent variable allows researchers to determine if there is a cause-and-effect relationship between them.

Detailed explanation-4: -When researchers manipulate a variable in a study, they are carrying out a(n) experiment. The manipulated variable is often called the independent variable. A manipulated variable always has more than one level or condition. Researchers measure the dependent variable to determine the effect of the manipulated variable.

Detailed explanation-5: -Researchers use experiments rather than other research methods in order to distinguish between: causes and effects.