| Appendix A – Critical Thinking Applications
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The instrument was derived to measure psychological constructs shown to be related to health
and safety issues. The first 10 items represent the Type A personality dimension. People with
Type A personalities tend to suffer more stress in the workplace than others, especially Type B
individuals. For example, people with Type A personalities suffer more stress and experience a
greater number of health problems than do Type B people. Type A people tend to do just about
everything quickly (walk, talk, eat) and have little tolerance for people who go at a more
moderate pace.
The mean student score on these ten items is 26 (SD=5). Your score is 50. A student scoring at
40 or higher shows signs of Type A personality. Scores below 20 indicate Type B personality.
Keep in mind that this is a short sample of an instrument designed to measure Type A – Type B
personality and scores should thus be interpreted with caution.
26. I am constantly on the lookout for new ways to improve my life.
27. I feel driven to make a difference in my community, and maybe the world.
28. I tend to let others take the initiative to start new projects.
29. Wherever I have been, I have been a powerful force for constructive change.
What do items 26–36 measure?
Items 26-35 indicate a “Proactive” personality. Your score is 55. Scores of about 45 or higher
indicate higher levels of proactive personality. A “Proactive” personality exhibits a tendency to
initiate and maintain actions that can alter the surrounding environment. People with proactive