"I hypothesize there is no relationship between vaccinations and autism". What is the main problem with how this research hypothesis is stated?
A) It is not directional.
B) It does not say which type of statistic should be calculated.
C) It does not identify the variables.
D) It requires expertise in both medicine and psychology.

Question

Quizplus · Accepted Answer

The main problem with the stated hypothesis is that it is not directional. A research hypothesis typically predicts a relationship or difference, and this statement does not specify a direction of effect or association.

"I Hypothesize There Is No Relationship Between Vaccinations and Autism