Question

more experimental design practice

pillbugs are placed in a container where they have a choice of a wet or a dry environment. researchers record how much time was spent on each side.

the independent variable is

the dependent variable is

Explanation:

The independent variable is what the researcher manipulates. Here, the environment type (wet vs. dry) is controlled. The dependent variable is what is measured; here, it’s the time pillbugs spend on each side, which depends on the environment.

Answer:

The independent variable is environment type (wet/dry)
The dependent variable is time spent on each side