Psychology homework help

ClassActivities: Cross-Sectionalvs. LongitudinalResearch

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Directions(Activity1):Whichresearchdesign(crosssectionalor longitudinal) isdepictedineachof the followingexamples and explain Why?

 

  1. a studyof changesinintelligence over adulthoodthatexamines intellectualabilitiesinthe same 1,500individualseachdecadefromages 50to80 years

 

  1. an examinationof childhoodchangesinsocialdevelopmentthatrepresentativelysamples andthencompares18,000participantsassignedtogroupsof4-,8-,and12-year-olds

 

  1. an investigationof changesinphysicaldevelopmentininfancybycomparingtheprogressionof fine andgrossmotor skillsin22,000infantsof differentages, ranging from2monthsthrough22months

 

  1. a studyof changesevery20 years in politicalattitudes(liberalvs.conservative)over a40-year spanin3,000adultsbetweenthe agesof25and65years

 

Directions(Activity2):Compare and contrast the advantages and disadvantages of each of these time-sensitive, developmentally oriented research designs

 
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