When sampling is done to find certain types of people, such as people who have been married for at least two years, the sample is most likely a(n) ____ sample

Alice is studying the following subjects in order: geography, sociology, and psychology. Which of these illustrates proactive interference?

a) She is able to use the same retrieval cues for all three subjects. b) She recalls sociology material when trying to answer geography test questions. c) Her performance on recall items on all tests exceeds her recognition performance. d) When taking the psychology test, material from geography and sociology keeps coming to mind.

Fragile X syndrome

A) is an example of polygenic inheritance. B) occurs when there is a sudden but permanent change in a segment of DNA. C) is the most common inherited cause of intellectual disability. D) occurs more often in females than males because the disorder is X-linked.