Question

variables are manipulated by the experimenter:
a dependent
b independent
c control
d targeted
please select the best answer from the choices provided
a
b
c
d

Explanation:

In an experiment, the independent variable is the one that the experimenter manipulates or changes to observe its effect on the dependent variable. The control variable is held constant to ensure that only the independent - variable's change affects the outcome. There is no such standard term as "targeted" in this context.

Answer:

B. Independent