Jessica hypothesizes that her manipulation of temperature in an auditorium will increase the number of students who doze off in a lecture. She is interested in a____ hypothesis.
A) two tailed
B) uniform
C) directional research
D) preconceived

Question

Quizplus · Accepted Answer

Jessica's hypothesis is a directional research hypothesis because it predicts the specific direction of the effect of manipulating temperature on students dozing off during a lecture.

Jessica Hypothesizes That Her Manipulation of Temperature in an Auditorium