A2 longitudinal studies 0.0 / 5 ? Psychologychild psychologyA2/A-levelEdexcel Created by: mercymimeCreated on: 09-10-13 20:53 what is a longitudinal study they are studies that are carried out over time 1 of 7 strenght 1 avoids participant variables as only one child might be used 2 of 7 strenghts 2 provides in depth data improving validity 3 of 7 strength 2 looks at changes over time and is good for studying developmental changes 4 of 7 weakness 1 it takes time and it is expensive 5 of 7 weakness 2 it could be seen as unethical, as the child's privacy can be invaded 6 of 7 weakness 3 different factors can affect results such as death, moving etc 7 of 7
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