In a Study of Concussions Occurring in the National Football

question 74

Multiple Choice

In a study of concussions occurring in the National Football League (NFL) ,losing consciousness for more than one minute was highly correlated with the athlete's needing more than a week of rest to recover.From this,we can infer that

• A) it is likely that the NFL is not following proper evaluation procedures.
• B) losing consciousness for less than a minute is considered a Grade 1 concussion,which requires little rest before returning to play.
• C) losing consciousness for less than a minute is considered a Grade 2 concussion,which requires at least one week of rest before returning to play.
• D) losing consciousness for any period of time is a Grade 3 concussion,but if unconsciousness lasts less than a minute,play can be resumed after a week without symptoms.

Grasp the goals and scientific basis of psychology, including its applied aspects.

Understand the distinction between experimental, correlational, and survey research methods.

Identify the roles of independent and dependent variables in experiments.

Comprehend the implications of correlation values and their limitations.

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