There is a cultural difference for Alzheimer's that likely reflects education levels.

According to the article Reach for the Sky about peoples' estimations of their own physical ability, based on performance the most difficult task to estimate was:

(a) well within (b) just within (c) just beyond (d) well beyond

Compared to advertisers who communicate using repetition with variation, advertisers who use simple repetition are more likely to run the risk of advertising wearout

Indicate whether the statement is true or false