A primary reinforcer is any reinforcer that does not need to be learned. Reinforcers such as money or an award are known as secondary reinforcers. A primary reinforcer is biologically rooted, such as hunger, sleep, oxygen or sex. A secondary reinforcer is learned, such as money that can be...
Schmitt, D. R., & Marwell, G. (1972). Experimental use of points or money as reinforcers: Does what is risked make a difference? Psychological Reports, 31, 425-426. doi:http://dx.doi.org/10.2466/pr0.1972.31.2.425.Schmitt, D. R., & Marwell, G. (1972). Experimental use of ...
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