A researcher noticed that as the prevalence of cell phone usage increased between the years of 1998 and 2010 so did the number of individuals diagnosed with autism.He decided that cell phone usage by expectant mothers was causing autism.Which of the following would NOT be helpful in evaluating his assumption?

Question

Quizplus · Accepted Answer

Using a small sample size would not be helpful in evaluating the researcher's assumption as it does not provide enough statistical power to draw meaningful conclusions. It is important to have a large and diverse sample size in order to make generalizations and assess the external validity of the study.

A Researcher Noticed That as the Prevalence of Cell Phone