Den not This a)Random by An oh.._.spoi ou c) 10) What of boys in the study are j

Question

Den not This a)Random by An oh.._.spoi ou c) 10) What of boys in the study are juvenile delinqunts b) e) d) 12.5% 43.75% 56.25% 11) What percentage of those that wear glasses in this study are juvenile delingns a) b) c) d) 11.11% 16.67% 37.5% 83.33% 12) A variable that is not accounted for in an observational stody which may cause a diffierence im groups being studied is called a: a) Treatment variable b) Confonding variable c) Explanatory variable d) Outcome variable 13) Which of the following is not a property of a "Gold Standard" controlled experiment a) Obtain a large sample size b) Do not attempt to use blinding or double blinding methods c) Use a placebo if possible d) Individuals must be assigned to groups randomly

Explanation / Answer

The answers would be as given below: -

9)

b) A controlled experiment

10)

9/16=56.25%

11)

1/6=16.67%

12)

b) Confounding variable

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