a student is researching the effects of sugar on teenagers. which source is not credible? a research study…

a student is researching the effects of sugar on teenagers. which source is not credible? a research study conducted by a university last year on the impacts of sugar on high school students a blog post made three years ago by a group of students offering their experience with sugar a newspaper article from this year about findings from a local dietician regarding sugar consumption an online article from earlier this year featuring findings from a study on sugar and teenagers
Answer
Brief Explanations:
A university - conducted research study, a newspaper article with dietician findings, and an online article with study findings are likely credible as they involve research or expert opinions. A blog post by students sharing personal experiences lacks the scientific rigor and peer - review of the others.
Answer:
B. a blog post made three years ago by a group of students offering their experience with sugar