A Large Study by Peterson Et Al

question 27

Multiple Choice

A large study by Peterson et al. found that optimists and pessimists differed in the number of deaths due to

• A)cancer.
• B)immune system problems.
• C)cardiovascular disease.
• D)accidents.

---

Definitions:

Self-report Data

Self-report data is information provided by individuals about themselves, often used in psychological research through questionnaires or interviews.

Personality Assessment

The process of evaluating an individual's character traits and behaviors, often using tests or questionnaires.

B Data

Behavioral data, or direct observations of another’s behavior that are translated directly or nearly directly into numerical form. B data can be gathered in natural or contrived (experimental) settings.

L Data

Life data, or more-or-less easily verifiable, concrete, real-life outcomes, which are of possible psychological significance.