Under which of the following circumstances would the effects of stress on a person be most severe?

A) The person has some sense of control over the stressful event.
B) The person tries to think about something else during the stressful event.
C) The person has had previous experience with small doses of the stressful event.
D) The stressful event occurs at unpredictable times.

Stressful Event

A situation or occurrence that causes significant strain or pressure, potentially triggering a stress response in individuals.

Unpredictable

Describes something that cannot be predicted or foreseen, often due to a lack of information or inherent variability.

Control

In experiments, the use of standardized procedures to limit the effects of other variables, ensuring that the study measures what it aims to.