Psychology Unit 2 Vocab Quiz

a tendency for researchers to engage in behaviors and selectively notice evidence that supports their hypotheses or expectations

• researcher bias

• random sample

• self-fulfilling prophecy effect

• independent variable

method of selecting from a population in which each person has an equal probability of being selected

• double-blind experiment

• random sample

• single-blind experiment

• sample

a condition in which our expectations about the actions of another person actually lead that person to behave in the expected way

• placebo effect

• independent variable

• self-fulfilling prophecy effect

• dependent variable

The experimental factor that is manipulated; the variable whose effect is being studied.

• dependent variable

• experimental group

• control group

• independent variable

The measurable effect, outcome, or response in which the research is interested.

• placebo effect

• dependent variable

• independent variable

• control group

In an experiment, the group that is not exposed to the treatment; contrasts with the experimental group and serves as a comparison for evaluating the effect of the treatment.

• random sample

• control group

• placebo effect

• experimental group

In an experiment, the group that is exposed to the treatment

• control group

• single-blind experiment

• placebo effect

• experimental group

experimental results caused by expectations alone

• placebo effect

• self-fulfilling prophecy effect

• control group

• bias

an experiment in which the participants are unaware of which participants received the treatment

• observational bias

• single-blind experiment

• double-blind experiment

• random sample

an experiment in which neither the experimenter nor the participants know which participants received which treatment

• single-blind experiment

• control group

• double-blind experiment

• experimental group