Analyses of stimulus control for the first lever press following reinforcer delivery also showed a statistically significant sex × feed condition interaction effect (F 1, 32) = 5.
For this, the first lever press carried out by the mouse after each period of 30 s was rewarded with a pellet.
For example, during DRL-15, the first lever press is rewarded but the rat must then wait for at least 15 s between subsequent lever presses to gain further rewards.
It's not the first lever we choose to pull.
Latencies were the intervals between trial onset (lever extension) and the first lever press in that trial.
Find the loop on the first lever back earring finding.
In the booth, behind the curtain, I first pulled the lever for Quinn, because she, unlike de Blasio, opposes banning the Central Park horse carriages.
He adds thatarguably, a central bank has a third lever; the commitment to keep its two main levers fully open for longer and longer.
A third lever is the ability to select the appropriate site of service for each type of care.
The second lever is tax revenue.
