What is a one-tailed hypothesis?
Understand the Problem
The question is asking for an explanation of what a one-tailed hypothesis is in the context of statistical testing. A one-tailed hypothesis specifies the direction of the expected effect or relationship in a study, indicating that we are only interested in deviations from the null hypothesis in one direction.
Answer
A one-tailed hypothesis predicts the effect in only one direction.
A one-tailed hypothesis predicts that the effect will occur in only one direction, focusing on a specific side of the distribution.
Answer for screen readers
A one-tailed hypothesis predicts that the effect will occur in only one direction, focusing on a specific side of the distribution.
More Information
One-tailed hypotheses are also known as directional hypotheses. They are used when the research predicts a specific direction of the effect, such as either an increase or a decrease.
