Consider Two Less-Than-Desirable Options

question 85

Multiple Choice

Consider two less-than-desirable options.In the first you are driving 30 mph and crash head-on into an identical car also going 30 mph.In the second option you are driving 30 mph and crash head-on into a stationary brick wall.In neither case does your car bounce back from the thing it hits,and the collision time is the same in both cases.Which of these two situations would result in the greater impact force on your car?

• A)hitting the other car
• B)hitting the brick wall
• C)The force would be the same in both cases.
• D)None of the above choices are correct.

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Definitions:

Confound Group

A group in an experiment that introduces variability to the outcome, making it difficult to determine the effect of the treatment.

Experimental Group

In an experiment, one or more treatment groups of participants that receive the manipulation of the independent variable being investigated.

Random Assignment

Placing research participants into the conditions of an experiment in such a way that each participant has an equal chance of being assigned to any level of the independent variable.

Random Sampling

A method of sampling in which each member of a population has an equal chance of being selected to represent the whole.