You are evaluating two groups, with 10 people per group and ...

[aabwk4]

You are evaluating two groups, with 10 people per group and formed with random assignment,
  to see if listening to music when learning a list of words improves later recall of the words.
 
  Because you will then rank the participants according to the number of recalled words, and you
  know the groups are not normally distributed, which of the following tests is most appropriate
  to determine group differences?
  A) Kruskal-Wallis H Test
  B) rank sums test
  C) Mann-Whitney U Test
  D) chi-square test for two levels of a single nominal variable
  E) Wilcoxon T Test

Question 2

Pseudosciences often make use of observation as a research strategy, however, unlike true science, pseudoscientific observation is typically
 
  a. valid.
  b. accurate.
  c. casual.
  d. controlled.

[Jsherida]

Answer to Question 1

C

Answer to Question 2

c