Roxanna (Roxanna) |
le 23/9/2021 1:39 |
Note : 3/10
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During the 60-hr pairing in the monandry treatment, the male condition (e.g., the propensity for mating) might have changed (he
might have tired). If only virgin males were used in the
polyandry treatment, the difference in male condition between treatments would be great in the late
period of the 60-hr pairing. 157 participants were allocated into one of three conditions:
a standard sound condition where LDWs, despite being losses, are paired with winning sights and sounds;
a silent condition, where LDWs are paired with silence; and a negative sound condition where
LDWs and regular losses are both followed by a negative sound.
Therefore, the condition of males (i.e., the number of matings
that they experienced) was adjusted between the monandry
and polyandry treatments. In order to hold the overall rate of
reinforcement constant, wins on the dense schedule resulted in a credit payment of three times the
amount bet (i.e., 9 or 18 credits) and wins on the lean schedule resulted in a
credit payment of six times the amount bet (i.e., 18 or 36 credits).
This procedure was replicated five times (slots 1-5; i.e.,
the females in the polyandry treatment were paired with 5 males for 12 hr
each and 60 hr in total). |
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