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In 2012, the head of AP Grading, Trevor Packer, stated that the reason for the low percentages of 5s is that "AP World History is a college-level course, & many sophomores aren't yet writing at that level." 10.44 percent of all seniors who took the exam in 2012 received a 5, while just 6.62 percent of sophomores received a 5.
Human history is the record of humankind from prehistory to the present. Modern humans evolved in Africa around 300,000 years ago and initially lived as hunter-gatherers.They migrated out of Africa during the Last Ice Age and had spread across Earth's continental land except Antarctica by the end of the Ice Age 12,000 years ago.
Edwin Garrigues (Garry) Boring (October 23, 1886 – July 1, 1968) was an American experimental psychologist, Professor of Psychology at Clark University and at Harvard University, who later became one of the first historians of psychology.
History is the interpretation of past events, societies and civilizations. The term history comes from the Greek historia (ἱστορία), "an account of one's inquiries," and shares that etymology with the English word story as narrative.
In a slightly different sense, the term history refers not to an academic field but to the past itself or to individual texts about the past. History is a broad discipline encompassing many branches. Some focus on specific time periods, such as ancient history, while others concentrate on particular geographic regions, such as the history of ...
Harari's work places human history within a framework, with the natural sciences setting limits for human activity and social sciences shaping what happens within those bounds. The academic discipline of history is the account of cultural change. Harari surveys the history of humankind from the Stone Age up to the 21st century, focusing on Homo ...
Cognitive dissonance theory proposes that people seek psychological consistency between their expectations of life and the existential reality of the world. To function by that expectation of existential consistency, people continually reduce their cognitive dissonance in order to align their cognitions (perceptions of the world) with their ...
The Boring Billion, otherwise known as the Mid Proterozoic and Earth's Middle Ages, is an informal geological time period between 1.8 and 0.8 billion years ago during the middle Proterozoic eon spanning from the Statherian to the Tonian periods, characterized by more or less tectonic stability, climatic stasis and slow biological evolution.