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Psychologist: In an experiment, Support business managers who normally drank coffee on a daily basis were given more than their normal amount. ███ ████████ ███ ██████ ██ ██████████ ███ ████████████ ███ ████ ████ ████ ██ █████████ ██ ████ ████ ███████████ ████ ██████ ██████████ ███████ ██████████ ██████████ ███████ ████ ██ ███████████ ███████████ ████ ██ ██████ ████ █████ ████████████ ████ ████████ ████ ██████ ████ █████ ███████ ███████ ██████████ ████████
Summary
The psychologist concludes that drinking more coffee than usual impairs management ability. The basis for this conclusion is that integrating information is more important than speed, and after drinking more coffee than usual, managers got faster but worse at integrating information.
Notable Assumptions
The key assumption is that coffee doesn’t have positive effects that outweigh the negative impact on integrating information. We don’t know the size of the effects on speed and integrating information - maybe coffee makes managers 50% faster but 2% less effective at integrating information. Maybe coffee has some other impact that wasn’t even discussed in the stimulus — like making managers work longer hours because they are more awake. Overall, we need to know that the negative effect on integrating information isn’t outweighed by some positive impact.
20.
Which one of the following ██ ██ ██████████ ██ █████ ███ ██████████████ ████████ ████████
a
The business managers ██ ███ ██████████ ████ █████████ ████ ████ █████ ██ ████ ███ █████ ██ █████ ████ █████████ ███████████ ███ ██ █████ ███████ ██ █████████ ████████████
b
Drinking less coffee ████ █████ █████ ███ ██████ █ █████████ ███████ ██████████ ███████ ██ ████ ██ █████ ████████ ████ ██████ ████ ██████
c
There is no █████ ██████ ████ ██ ████ █████████ ██ ██████████ ████████ ██████████ ████ ██████ █████ ██ ██████████ ███████████ ██ ███████ ██ █████████ ███
d
In the experiment, ████████ ████ ██████ ████ █████ ███ ███ ████ ██████████ ███████ ██ ███████ ██████████ ███████ ████ ██████████ ███ █████████ ██ ███████ ██ █████████ ████ ████████████
e
The amount of ██████ ███ ██████ ██ ███ ████ █████████ ██████ ███████████ ███ █████ ██ █████ ███ █████████ ███ ████████████