Which of the following drugs is most likely to have ...

[rmenurse]

Which of the following drugs is most likely to have life-threatening withdrawal reactions?
 
  a) alcohol
  b) barbiturates
  c) heroin
  d) cocaine

Question 2

Professor Misha collects data showing a correlation between grades and happiness. He concludes that being happy helps students to get better grades. Which of the following illustrates the directionality problem in Professor X's conclusion?
 
  a) Students in love may be happier and get better grades.
  b) Good grades may produce happiness.
  c) Students with poor grades may drop out of school.
  d) Female (or male) students may get better grades.

[robbielu01]

Answer to Question 1

b

Answer to Question 2

b

[rmenurse]

Excellent

[xoxo123]

TYSM