Researchers Have Shown That Teacher Evaluations Based on Brief Viewings

Multiple Choice

Researchers have shown that teacher evaluations based on brief viewings of videotapes made by students who were not enrolled in a course correlate well with end-of-the-semester teacher evaluations made by students enrolled in the class.The researchers suggest that the relationship occurs because people are attuned to pick up information about a person's affect quickly because this information is adaptive.Based on the correlational evidence alone,the researchers' explanation for their findings can best be considered a

A) causal inference.
B) speculation.
C) sound conclusion.
D) confirmed hypothesis.