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Statistical Characteristics

Developmental

Psychology

Statistical Characteristics

  • Longitudinal
  • Subjects can be compromised
  • Death, illness, etc.
  • Cross Sectional
  • There are more variables with the different age groups
  • Cross Sectional
  • Environment stays constant
  • Variable subjects develop
  • The changes recorded are seen on all levels
  • Longitudinal
  • Observation study of a group of subjects over a long time
  • Cross Sectional
  • Observation of a variety of aged subjects for a short time period

Developmental

Psychology

Longitudinal and Cross Sectional Studies

  • Longitudinal
  • We see development of the same individuals
  • Environment changes around them
  • Changes are seen gradually in some
  • Less in others
  • Age
  • Statistics
  • Research
  • Developmental Psychology

Case Study

  • Observe subjects and family situations over multiple years
  • Variables
  • Sampling Bias
  • Experimenter bias

Research Methodology

  • Longitudinal
  • Viewed changes of the same subjects with the same variables
  • Cross Sectional
  • Viewed changes of variable subjects in the same time

Longitudinal and Cross Section

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