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Bisla Bisla
wrote...
Posts: 2734
9 years ago
To find out if using night lights affected the development of nearsightedness, a group of researchers asked parents whether their teen-aged children had slept with night lights on as infants.  This research illustrates a
a. retrospective design.
b.  cohort design.
c.  cross-sectional design.
d.  longitudinal design.
Textbook 
Introduction to Behavioral Research Methods

Introduction to Behavioral Research Methods


Edition: 6th
Author:
Read 203 times
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Answer verified by a subject expert
sulmaeatersulmaeater
wrote...
Top Poster
Posts: 2726
9 years ago
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Bisla Author
wrote...
9 years ago
Very good, appreciate the help.
wrote...
9 years ago
My pleasure.
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