Dr. Jefferson is a psychologist interested in 4-year-old Shawn's knowledge of the differences between animals and vehicles. The psychologist gives Shawn a multiple-choice picture test in which he must write the letter of the correct answer on a separate piece of paper. However, Shawn has trouble identifying and writing some letters. On two separate occasions, Shawn receives the same score on the test. This method has validity and reliability.

poor; good

Explanation:

Reliability and the validity are two most important aspect in the filed of research.

In psychological research, the termed reliability refers and shows consistency of a measuring test or the research study.  And validity may be defined as the extent from which the scores of the research actually represent a variable which are intended to.

In the context, Shawn is taking a research test where he receives the same score on two same test taken twice. Thus this shows a poor validity but a good reliability .

the first part is ocean

explanation: