Who first demonstrated that reward had a stronger effect than punishment? thorndike watson skinner pavlov tolman?

Aresearcher is studying women recently admitted to a state prison. all potential subjects must have children under the age of five. research subjects will be given a basket of toys to use at their children’s first visit that the children can then take home. in assessing this proposal, the irb needs to determine that the toys are: age appropriate. not an excessive incentive. educational. of high quality.

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Dried paste made of boiled beef cow hooves eggs and vegtables what soup