When given a list of items to remember, people tend to do better at recalling the last items on the list. This is known as the ________

A researcher computes a two-independent-sample t test. Which of the following describes a research situation in which this test is used to analyze the data?

A. A graduate student selects a sample of participants to test if the time spent on a task is greater than 30 min. B. A researcher matches right- and left-handed siblings to test if left-handed siblings express greater emotional intelligence than their right-handed counterparts. C. A professor tests whether students who repeat a course perform better the first or second time they complete the course. D. A professor tests whether students who always sit in the front row of a class score higher on class exams than do students who always sit in the back row of a class.

According to Vaughan, failure assessment was a bottom-up process at NASA.

a. true b. false