Answer:
Drive
Explanation:
The drive is a term used in psychology to pressing the needs of satisfaction. It occurs in imbalance, physiological tension, and deficiency. When these processes occur, it initiates a person to do some action. Need is different from the drive.
Need is basically about to some deprived state and drive is a manifestation condition. Many psychologists explain that drive is a state of physiological needs and some drives that are learned by subjects such as drug abuse.
Thus drive is needed that occur in an organism for satisfactions. for example sex is a drive.
In research studies, when you execute scientific experiments, you always have the independent and dependent variables. Dependent variables are the parameters you want to measure or investigate. Independent variable, on the other hand, are parameters or events that you control or set. In this case, the dependent variable is the amount of collisions made by the two groups.
The answer is D because you want to have a control group! Hope it helps!
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