The Wilcoxon T test is the ordinal equivalent of which interval test?

Severe internal conflicts that produce a lot of anxiety or other emotions can trigger self-defeating defensive processes or symptoms such as a. acute and posttraumatic stress symptoms. b. depression or bipolar symptoms

c. phobic or obsessive symptoms. d. suicidal or aggressive symptoms.

Infants who habituate rapidly during the first six to eight months of life

a. tend to slow down their development in ensuing months. b. are responding to classical conditioning. c. score lower on standardized intelligence tests later in childhood. d. are quicker to understand and use language during the second year.