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Risk-sensitivity in a rat population under interval schedules of reinforcement : open and closed economies
(1995)
A group consisting of eight male Hooded rats was tested for
risk-sensitive foraging preferences in an eight station
operant arena, under conditions of open and closed economies.
The group could choose to forage at either ...
Variable interval schedule control of dispersion and density
(1984)
The effects of Variable Interval (VI)
schedules of reinforcement on the dispersion
patterns and aggregate densities of a small
population of rats was studied. Eight male rats
were permanently housed in an arena in which ...
Density dependent extinction : phase II
(1993)
In two separate experiments, an 8 rat 8 station operant arena
was used to study resistance to extinction to test learning and
optimal foraging theories of behaviour. The learning theory, called
the generalized decrement ...