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Why do studies with good internal validity often have poor external validity? Give an
example of a situation where enhancing internal validity might impair external validity.
(More than 75 words)


Sagot :

[tex]\huge\mathfrak\pink{ANSWER:}[/tex]

  1. A lab setting ensures higher internal validity becaues external influences can be minimized. However, the external validity diminishes because a lab enviroment is different than the 'outside world' ( that does have external influencing factors ).
  2. The external validity of a study is the extent to which you can generalize your finding to different groups of people, situations and measures.There are seven threats to experimenter effect, Hawthrone effect, testing effect, aptitude treatment and situation effect.

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