Psychologists have discovered that people high in neuroticism ...

[V@ndy87]

Psychologists have discovered that people high in neuroticism associate sex with death more than people low in neuroticism do.
 
  We can't conclude that neuroticism causes people to associate sex with death because the outside variables that lead to neuroticism could also lead to thoughts sex and death. This illustrates the
  a. directionality problem.
  b. third variable problem.
  c. restricted range problem.
  d. latent variable problem.

Question 2

In intrasubject research, to be considered a single-case experiment, the design must demonstrate covariation of variables, causal time sequence, and
 
  a. strong, positive correlations among all conditions.
  b. statistically significant F ratios.
  c. elimination of other plausible causes.
  d. repetition of conditions using a large number of subjects.

[carolinefletcherr]

Answer to Question 1

B

Answer to Question 2

c

[V@ndy87]

Excellent

[hramirez205]

Gracias!