Question

Researchers who were studying plant growth raised plants in two separate rooms. One room had taped conversations playing 24 hours a day; the other room was silent. The researchers found that the plants grew better in the room that had the conversations playing. In this study, the type of room (conversation or silence) would be a

Answer 1

the independent variable

Step-by-step explanation:

Independent variable: In a psychological or scientific experiment, the independent variable is referred to as the variable that is being manipulated, controlled, or changed during the process of an experiment.

An independent variable is being manipulated by the researcher to see its effect on the dependent variable, and any manipulation to the independent variable leads to create a change in the dependent variable.

In the question above, the study including the type of room (conversation or silence) would be an independent variable.