Question

15. Discuss the following hypothetical pieces of research and point out the problems with the research design which prevent you from drawing the stated conclusions.  In addition, suggest at least two factors other than the one mentioned in the conclusion for each study that might have produced the results. There may be more than one way to view each situation.
a. To test the effects of marijuana on driving performance, some subjects were asked to smoke one marijuana cigarette while other subjects were asked to smoke one tobacco cigarette before taking a test of driving ability.  The marijuana group did more poorly on the test, and the researcher concluded that marijuana impairs driving performance.
b. Children who watch a great deal of violent television programming are themselves more aggressive and violent in their play with other children than are children who do not watch so much violent programming.  Therefore, watching violent programming leads to aggressive social behavior.
How would you like us to help you with this assignment?

Related Questions

7. Consider the following hypothetical outcome of a two-way factorial designs [8 points] Pink/Car P... What is the length of the hypotenuse of a 30-60-90 triangle with a longer leg of length 16m? What is the length of the hypotenuse of a right triangle if the two legs are 21 and 20? What is the lenght of the hypotenuse of a 30-60-90 triangle if the side opposite the 60-degree angle... What is the length of the hypotenuse of a 30-60-90 triangle if the side opposite the 60-degree angle... What is the length of the hypotenuse of a 30-60-90 triangle if the side opposite the 60-degree angle... What is the length of the hypotenuse of a 30-60-90 triangle if the side opposite the 60-degree angle... What is the length of the hypotenuse of a 30-60-90 triangle if the side opposite the 60-degree angle... One leg a = 28 a=28 Hypotenuse c = 45 c=45 What is the length of the hypotenuse of a 30-60-90 triangle if the side opposite the 60-degree angle...