The second time you cite a publication with four authors in your ...

[dmcintosh]

The second time you cite a publication with four authors in your report, what should be included in the citation?
 
  a. all four authors' names and the date
 b. the first author's last name followed by et al. and the date
  c. the first author's last name followed by op. cit. and the date
  d. the first two authors' last names and the date

Question 2

The null hypothesis suggests that the two samples come from ___________ distribution(s), and the experimental hypothesis suggests that the two samples come from _____________ distribution(s).
 
  a. different; different
  b. different; the same
  c. the same; different
  d. the same; the same

[voltaire123]

Answer to Question 1

b

Answer to Question 2

C

[dmcintosh]

Excellent

[cam1229]

Gracias!