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.
Scientists (group photo)
A mother dies, a father loses his leg—such calamities shattered poor urban families. Orphaned street
Unhappy people
Wheals are formed in reaction to scratch testing and intradermal testing of allergens.
Some people have begun to “attend” church as avatars.
A random sample of 87 airline pilots recruited by an airline service had an average yearly ...