Psychology Quiz 4 IV& DV

In a psychological experiment, the factor that may be influenced by the manipulated experimental treatment is called the ________ variable.

dependent

An experiment was designed to study the potential impact of alcohol consumption on emotional stability. A specification of the procedures used to measure emotional stability illustrates

operational definition

Any factor such as infant nutrition which can vary in its quality or quantity is called a

variable

n a psychological experiment, the experimental factor that is manipulated by the investigator is called the ________ variable.

independent

In an experimental study, men with erectile dysfunction received either Viagra or a placebo. In this study, the drug dosage (none versus peak dose) was the

independent variable

are manipulated; are measured

independent variables and dependent variables

To assess the influence of self-esteem on interpersonal attraction, researchers either insulted or complimented students about their physical appearance just before they went on a blind date. In this research, the dependent variable was

interpersonal attraction

Unlike correlational studies, experiments involve

manipulating the factors of interest

The concept of control is important in psychological research because

experimental control allows researchers to study the influence of one or two independent variables on a dependent variable while holding other potential influences constant.

While conducting research, you unintentionally provide subtle cues to the study's participants about the purpose of the research, which influences your results in the direction you expected) This is a demonstration of _____.

experimenter bias

Experimenter bias refers to _____.

experimenters that unintentionally let their beliefs and expectations influence the results of a study

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 independent variable (IV), and the _____ would be the dependent variable (DV).

exposure to drug; quiz scores