According to the text, Tannis MacBeth Williams and Meredith Kimball conducted a

natural experiment in three towns in Canada. Which of the following best summarizes
their results?

a. Over a two-year period, TV had no effect on changes in children’s sexstereotyped
attitudes about the social world, but such effects did emerge after 10
years, indicating that the process is very slow.
b. There was no evidence of a media effect on sex-stereotyped attitudes.
c. Most children moved around from one town to another which made the results of
the natural experiment impossible to interpret clearly.
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whole or in part.
d. Sex-stereotyped attitudes were much more prevalent among children who lived in
the town that had no access to TV.
e. Over a two-year period, TV definitely affected children’s sex-stereotyped
attitudes. Children who had not shown such attitudes before TV exposure
definitely had formed these attitudes two years later after access to TV.

e.