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WILLIAMS et al ­ NOTEL and aggression

AIM ­ to measure children's behaviour before and after TV had been introduced and compare it to
towns which already had TV

DESIGN ­ Independent Measures Design

Natural experiment
IV ­ whether there was TV
DV ­ acts of aggression carried out…

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Strength Weakness
Done in real place ­ ecological validity No control over what or how much TV was
IV occurred naturally Researchers don't know the adult supervision or
control over what is being watched
Two year study so before and after effect was Research bias ­ researchers…


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