To investigate whether or not sending text messages while driving impacts driving ability,we had 100 participants (50 men and 50 women) drive an obstacle course under one of the following conditions: 1) no texting while driving,2) sending five text messages while driving,or 3) sending 10 text messages while driving.We measured the accuracy with which the subjects drove the obstacle course from a scale of 1 to 10 (1 = poor and 10 = excellent) .What type of study is this?

A) An observational study that is a sample survey
B) An observational study that is not a sample survey
C) An experiment
D) A matched pairs study

Question

Gillian Chan-Sam · Accepted Answer

Final Answer : C, Explanation :  This is an experiment because the researchers manipulated the independent variable (texting while driving) and measured the effect on the dependent variable (accuracy on obstacle course).

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