The estrous cycle in dogs. Dog menstruation is a misnomer, since dogs do not menstruate. The estrous cycle in dogs consists of four major phases: proestrus, estrus, diestrus, and anestrus. A dogâs vagina discharges blood and other fluids during the first two of these phases, most heavily during proestrus.
Groupthink, a term coined by social psychologist Irving Janis (1972), occurs when a group makes faulty decisions because group pressures lead to a deterioration of mental efficiency, reality testing, and moral judgment (p. 9).xamples of Groupthink: Past and Present. Examples of groupthink fiascoes studied by Janis include US failures to anticipate the attack on Pearl Harbor, the Bay of Pigs invasion, the escalation of Vietnam war, and the ill-fated hostage rescue in Iran.
The term was coined in 1994 by a Cult of the Dead Cow (cDc) member known as Omega in an e-mail to the group. Due to the variety of meanings of its root words, hacktivism is sometimes ambiguous and there exists significant disagreement over the kinds of activities and purposes it encompasses. Some definitions include acts of cyberterrorism while others simply reaffirm the use of technological hacking to affect social change.