The most common subtype of dementia is ________, which accounts for up to ________ of all dementia patients.

In the Renaissance, the medical model brought some unusual treatments for those with mental disorders

These included bloodletting and tossing patients into a pit of snakes. Amazingly, some patients actually showed improvement! It is possible that these treatments worked, but it is also possible that this improvement was a result of the placebo effect. This interpretation of these historical events demonstrates which of the six principles mentioned in your chapter? A) Replicability B) Extraordinary claims C) Correlation vs. causation D) Ruling out rival hypotheses

Which of the following led to an increase in free time for contemporary adolescents?

A. the invention of the teenager B. compulsory schooling C. the spread of the Internet D. organized youth movements