consider this claim: chewing gum can improve our alertness and lower our stress level. which piece of…

consider this claim: chewing gum can improve our alertness and lower our stress level. which piece of evidence better supports this claim? evidence a: in a study of forty participants, those who chewed gum while performing stressful tasks had lower levels of anxiety and higher levels of alertness than those not chewing gum. evidence b: during a class discussion, a student shared that he chewed gum throughout a recent chemistry test because he heard it would help him stay calm and alert. he believed that he did very well on the test as a result.

consider this claim: chewing gum can improve our alertness and lower our stress level. which piece of evidence better supports this claim? evidence a: in a study of forty participants, those who chewed gum while performing stressful tasks had lower levels of anxiety and higher levels of alertness than those not chewing gum. evidence b: during a class discussion, a student shared that he chewed gum throughout a recent chemistry test because he heard it would help him stay calm and alert. he believed that he did very well on the test as a result.

Answer

Answer:

Evidence A

Brief Explanations:

Evidence A is from a study with forty participants, providing more objective and general - applicable data. Evidence B is just an anecdote from a single student, less reliable for supporting the claim.