Which of the following is the best definition of independent variable?
It is the measured variable that may change depending upon manipulation of
an experimental variable.
It is any unmeasured variable not controlled within the experiment.
It is the variable that is intentionally manipulated by the researcher.
It is one of the external variables that cannot be controlled by the researc
Question 2
A researcher was interested in whether watching violence affected children's behaviors. To examine this, he showed a violent film to one group of preschoolers and a nonviolent film to a second group of preschoolers.
Following the films, the behaviors of the two groups were
compared. This study was:
a naturalistic observation.
an experiment.
a case study.
longitudinal research.
School-age children are often independent and industrious, with a developing sense of self-confidenc
A cutaway view of a typical variable fuel sensor.
How to rearrange formulas to isolate for a variable (Part 2)
The Definition of Intelligence (1 of 3)
The Definition of Intelligence
Variable expressivity as shown in flies homozygous for the eyeless mutation in Drosophila