There is a negative relationship between the number of older siblings and the mental maturity scores of six-year-old children.This statement is an example of a
A) null hypothesis.
B) directional hypothesis.
C) nondirectional hypothesis.
D) research problem.

Question

Quizplus · Accepted Answer

The statement proposes a relationship between two variables - number of older siblings and mental maturity scores - where one variable is expected to have a negative effect on the other. This is an example of a directional hypothesis. A null hypothesis states that there is no relationship between variables, a non-directional hypothesis proposes a relationship without specifying the direction, and a research problem is a broad question or issue for investigation.

There Is a Negative Relationship Between the Number of Older