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  Right click on the button below to access two different covers that were used for the novel, Freak the Mighty.        3.6 State which cover you think is most appropriate and then discuss your choice by providing two reasons. (2)

Based on Scenario 2, how many false positives are there? 

A typical state prison today ________.

If we cannot randomize, we can [answer1] participants on potentially [answer2] variables. This is process allows us to [answer3] for possible competing causes.

A student is allowed to have their pet in the room with them during their testing as long as the pet does not interfer with the assessment.

Mammograms for early detection of breast cancer and surgical intervention if necessary, is an example of which form of prevention?

Physical therapy for stroke victims, is an example of which form of prevention?

Dr. Rodriguez was assessing the net sensitivity and specificity of two versions of his now famous R test for disease D. Disease D has a prevalence of 16% in the population. Test R1 has a sensitivity and specificity of .82 and .87, respectively. Test R2 has a sensitivity and specificity of .83 and .91, respectively. Given this information, what is the net sensitivity [answer1] and the net specificity [answer2] of the combined tests? Note, use the addition and multiplication rules to complete this problem, and assume simultaneous testing.

Scenario 3: In 2010, there were 2,515,458 deaths in the United States, from all causes. The following is the distribution of deaths from specific causes amongst the 10 leading causes of death:   Heart disease: 596,577 Cancer: 576,691 Chronic lower respiratory diseases: 142,943 Stroke (cerebrovascular diseases): 128,932 Accidents (unintentional injuries): 126,438 Alzheimer’s disease: 84,974 Diabetes: 73,831 Influenza and Pneumonia: 53,826 Nephritis, nephrotic syndrome, and nephrosis: 45,591 Intentional self-harm (suicide): 39,518

A researcher is testing a new drug developed to treat diabetes. Participants are randomly assigned to a treatment and control group. Unfortunately, due to some severe side effects, a group of participants asks and are granted permission to be moved to the control conditions.  This results in a Type I error as the drug appears to be more effective than it really is; the only participants taking the drug are the ones benefitting the most.  To avoid a possible Type I error, the researchers could use which of the following designs: