If a researcher actively changes or manipulates one variable and then measures the scores on another variable,the researcher is conducting
A)a population measurement.
B)an experiment.
C)a correlation.
D)a nonrandom sample.

Question

Quizplus · Accepted Answer

The scenario described is an experiment, where the researcher actively changes or manipulates one variable (independent variable) and measures the scores on another variable (dependent variable). This allows the researcher to establish cause-and-effect relationships between variables. The other options, such as population measurement, correlation, or nonrandom sample, do not involve the manipulation of an independent variable.

If a Researcher Actively Changes or Manipulates One Variable and Then