ClassActivities: Cross-Sectionalvs. LongitudinalResearch
YOU MUST COMPLETE ALL TO BE ELIGIBLE FOR CREDIT
Directions(Activity1):Whichresearchdesign(crosssectionalor longitudinal) isdepictedineachof the followingexamples and explain Why?
- a studyof changesinintelligence over adulthoodthatexamines intellectualabilitiesinthe same 1,500individualseachdecadefromages 50to80 years
- an examinationof childhoodchangesinsocialdevelopmentthatrepresentativelysamples andthencompares18,000participantsassignedtogroupsof4-,8-,and12-year-olds
- an investigationof changesinphysicaldevelopmentininfancybycomparingtheprogressionof fine andgrossmotor skillsin22,000infantsof differentages, ranging from2monthsthrough22months
- 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