18th Sep 2013
The Gothowitz Deviation - S3-E3
Character mistake: Sheldon refers to using the spray bottle as negative reinforcement when it is in fact positive punishment. Reinforcement involves encouraging a behaviour by either adding or removing a stimulus whereas punishment involves discouraging a behaviour by adding or removing a stimulus. Sheldon would know the difference.
30th Aug 2013
Character mistake: The girl who admits to changing Chase's profile says that what she is doing is negative reinforcement when it is actually positive punishment. Negative reinforcement involves taking something away (eg a noise) to encourage the behaviour whereas positive punishment involves adding something (the pictures) to discourage future behaviour.