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4 Cards in this Set

  • Front
  • Back
Study designs: Cross sectional.
Definition: Pros: Cons:
Def: children of different ages are studied @ a single time point. Pros: - useful data about differences amongst age groups - quick and easy to administer. Cons: uninformative about stability in individual differences across time & about individual patterns of change
Study designs: Longitudinal.
Definition: Pros: Cons:
Def: children are examined repeatedly over a prolonged period of time. Pros: indicates the degree of stability of individual differences over long periods. Cons: difficulties w/ retention, - repeatedly testing threatens external validity (is the validity of generalized (causal) inferences in scientific studies, usually based on experiments as experimental validity).
Study designs: Microgenetic.
Definition: Pros: Cons:
Def: children are observed intensively over relatively short time period while a change is occurring. Pros: can reveal process of change, - reveals individual change pattern over short periods in considerable detail. Cons: no info about typical patterns of change over long periods. - no info about individual change patterns over long periods.
Ethical research
- do no harm, - informed consent,- participant anonymity, - honesty