Operationalisation of Variables

• operationalisation


  means being able to define variables simply and easily in order to manipulate them (IV) and measure them (DV)
• example of psychological variable

  Health

  operational definition: fitness, heart rate, weight, medical history, how long you can run for
• problem with operationalisation


  they often only measure one aspect of the variables

  both IV and DV need to be operationalised and objectively to maintain reliability and validity of a study