Two presidential approval rating pools are conducted at the same time one comes back with a 65% rating and the other comes back with a 60% rating 5% difference between the results of these two service is known as

How are we suppose to know this

Ok i’m not good at this but imma try : )

Sorry this isn’t really an answer i just need to answer two questions. i hope that you find the answer that your looking for though

Psychologists often talk of the magical number "7" - so it is generally assumed that we can keep 7 (more or less, so 5-9 is the correct answer) items in our short term memory - we know this as a result of many experiments.

we can increase this by chunking, so for example "7 8 9 5 3" is harder to remember than "78 95 3" - try it yourself!

the answer is a)