NS FL2 P/S passage 7

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NS FL2 P/S passage 7

Post by Amber9 » Sun Jul 14, 2019 6:44 pm


Q35 Can I get clarification on how to find the US and CS in study 2
Q36 is this due to the Hawthrone effect. I'm not sure why it affects the group given the free lunch

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Re: NS FL2 P/S passage 7

Post by NS_Tutor_Mathias » Tue Jul 16, 2019 2:28 pm

#35: An unconditioned stimulus is something you have a response to without prior conditioning: Food, safety, approval, attention, intimacy, social interaction etc. In study #2, the US is the smiling face. Humans tend to have positive reactions to smiling faces. In study #1, the US is the free lunch or noxious stimulus. All people like food, and virtually nobody likes unpleasant smells. By contrast, a conditioned stimulus is one that has been paired with an unconditioned stimulus (or another, previously conditioned stimulus, in a sort of chain).

#36: Not really the Hawthorne effect at work at all, since everyone is being equally exposed to the knowledge of being watched.

Some are just told of the manipulative intent, while others are not. Looking at figure 1, we see that being told about manipulation seems to not significantly change the response to the negative unconditioned stimulus, but seems to heavily attenuate or almost completely eliminate the response to the positive unconditioned stimulus.

So to answer this, we just need to identify the positive unconditioned stimulus in study #1 and predict that it's effect would also diminish or disappear.
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