A researcher selects a sample and administers a treatment to the individuals in the sample.If the sample is used for a hypothesis test,what does the null hypothesis (H₀)say about the treatment? A)The treatment causes a change in the scores. B)The treatment adds a constant to each score. C)The treatment multiplies each score by a constant. D)The treatment has no effect on the scores.

Question

Quizplus · Accepted Answer

The null hypothesis (H₀) states that there is no significant difference or effect of the treatment on the scores. Therefore, D is the correct choice as it states that the treatment has no effect on the scores.

A Researcher Selects a Sample and Administers a Treatment to the Individuals