Do you think the study they conducted is able to support the claim that " one in 5 people thinks the Foot Locker referee wears a hat?" What information do you need to know in order to evaluate the external validity of this claim?ĭ) Now consider statistical validity. Think about the external validity of this project. One in 5 people thinks the Foot Locker referee wears a hat (he doesn't), and nearly half of people believe the Starbucks mermaid does not wear a crown (she does).ī) Why can each of these two claims be considered frequency claims?Ĭ) When people make frequency claims, external validity (also known as generalizability) is pretty crucial. Interestingly, a smaller proportion of people in our experiment put the bite on the wrong side of the apple (22 percent)Ī) Wait, was this study really an experiment? why or why not? For example, here's a quote from their discussion of the Apple logo results: You can evaluate certain methodological aspects of this project. For example, the website reports that 20% drew near-perfect Apple logos, whereas 12% drew near-perfect Adidas logos. Overall, 16 percent of people drew near perfect logos, and 37 percent were good but not perfect. As we would expect, the more complex the logo, the less likely people are to remember it in full.Īcross the 10 brands (which included not just Apple and Adidas, but also Starbucks, Foot Locker, Burger King, and Domino's), the percentage of people who sketched near-perfect logos changed. Based on more than 1,500 drawings created over a period of 80 hours, the results reveal that, far from being stamped perfectly in our collective memory, these ubiquitous emblems largely exist as fuzzy visions in our mind's eye.
we asked over 150 Americans to draw 10 famous logos from memory as accurately as they could.
This website presents data from a study of Americans who were asked to draw a variety of brand logos. How well did you do? More importantly, how well did the people in their study do? You can also see the official logos for Apple and Adidas.
Which one was easier? How confident are you in the accuracy of your drawings?Īfter you've drawn these two logos, visit this website, where you can compare your own drawings to those of other people. This project provided several frequency claims you can analyze.īefore you read on, take out a pencil and draw the Apple logo (no peeking at your own device!) Now try to draw the Adidas logo, too (no peeking at your feet, either).
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