Examlex
A factory siren indicating the end of a shift has a frequency of 90.0 Hz. The speed of sound is 343 m/s.
(a) What frequency is perceived by the occupant of a car traveling towards the factory at 25.0 m/s?
(b) What frequency is perceived by the occupant of a car traveling away from the factory at 30.0 m/s?
Irving Janis
A psychologist best known for his research on group dynamics, including the concept of "groupthink."
Groupthink
A psychological phenomenon that occurs within a group of people, where the desire for harmony or conformity in the group results in an irrational or dysfunctional decision-making outcome.
Group Solidarity
The unity, shared purposes, and sense of belonging that members of a group feel toward each other and the collective.
Group Member
An individual who belongs to a group, sharing common goals or interests and participating in collective activities.
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