Examlex
Only humans have a biological clock.
Violent Films
Movies that contain scenes of physical aggression, harm, or brutality, often discussed in terms of their potential impact on viewers' behavior and attitudes.
Control Group
In experimental research, a group of subjects that does not receive the experimental treatment and is used as a benchmark to measure how the other tested groups do.
Experimental Group
The group in an experiment that receives the variable being tested, as opposed to the control group, which does not.
Dependent Variable
This is the variable in experimental research that is expected to change as a result of manipulations to the independent variable.
Q92: The job of a natural killer cell
Q94: Male Australian bowerbirds build and decorate elaborate
Q126: A mother may be able to donate
Q132: Recall Edward Jenner's experiment, where a boy
Q136: Which of the statements below about communication
Q138: The "realized niche" of Canada geese depends
Q149: An ecological _ is the set of
Q167: The sequence of species that colonize a
Q168: Over the course of Earth's history, coral
Q171: Which of the following is a good