ARTICLE

Gamble, T., & Walker, I. (2016). Wearing a bicycle helmet can increase risk-taking and sensation-seeking in adults. Psychological Science, 27, 289-294. doi:10.1177/0956797615620784

Read the above article and answer the questions listed below.

Participants(15):

• How many people participated in this study? (5)
• How were they recruited or selected? (5)
• What demographic information is provided about the participants? (5)

Research Design: (20)

• Justify why this study can be called a true experiment(10):

• Is this a Laboratory or Field experiment? (5)

• Is this a Between-Subjects or Within-Subjects design? (5)

Ethics(10)

• Explain the Deception used in this study and whether you feel it was ethical: (10)

Variables:(25)

• Name the Independent Variable and explain how it is manipulated: (10)

• What are the Dependent Variables (and explain how they are operationalized,i.e., measured): (10)

• For each of the dependent measures, is it a self-report, behavioral, or physiologicaltype of measurement? (5)

Discussion / Conclusion(10):

• Do you believe that the conclusion in this article is justified? Explain briefly (5)

• Do you think that the risk of overinflating a balloon equates to the risks associated with riding a bicycle? Explain why or why not. (5)

Study Validity(20):

Please note that the use of the term "validity" here is different than the concept of measurement validity that we studied in Module 4.

• Explain whether the Internal Validity of this study is high or low: (10)

• Explain whether the External Validity of this study is high or low: (10)