Merry is working on a research project about the influence of caffeine consumption on alertness.She has developed two hypotheses.Her second hypothesis states that there will be an increase in alertness with the consumption of caffeine.This hypothesis is known as a________ hypothesis.
A)null
B)directional
C)research
D)nondirectional

Question

Quizplus · Accepted Answer

The second hypothesis states that there will be an increase in alertness with the consumption of caffeine, indicating a specific direction of the expected outcome. Thus, it is a directional hypothesis.

Merry Is Working on a Research Project About the Influence