“The way positive reinforcement is carried out is more important than the amount.”
As quoted in Meditations for Parents Who Do Too Much (1993) by Jonathon Lazear and Wendy Lazear, p. 5.
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B.F. Skinner 30
American behaviorist 1904–1990Related quotes

Vetulai, Jerzy (20 February 2009): Wódka groźniejsza niż egzotyczne ziółka http://www.monar.net.pl/Article8247.html. Gazeta Wyborcza (in Polish).
Source: Chinese Cinderella: The True Story of an Unwanted Daughter

Column, April 12, 2001, "PACs and McCain-Feingold" http://townhall.com/columnists/georgewill/2001/04/12/pacs_and_mccain-feingold at townhall.com.
2000s

comment to The Associated Press regarding publication of her second children's book "Noelle's Treasure Tale" (October 9, 2006)
2007, 2008

Source: Striking Thoughts (2000), p. 16

Supporting the claim that the divine attributes of the Ganges were originally used for the Sarasvati river, as quoted in " A personal odyssey http://www.thehindu.com/features/magazine/a-personal-odyssey/article391403.ece, The Hindu (10 April 2010)

Endangered Species (1989), Introduction
Nonfiction