Aims, hypotheses and variables glossary


Aims, hypotheses and variables

  • Aim- to attempt or intend to reach a certain goal
  • Experimental hypothesis- a hypothesis used only in experiments which predicts a difference and has both an IV and DV
  • Research hypothesis- a hypothesis that predicts a difference in the measured variable or correlation between variables
  • A one tailed hypothesis is a directional hypothesis, suggests the results
  • A two tailed hypothesis is a non-directional hypothesis, results are not suggested
  • Null hypothesis- predicts no difference in a variable or no correlation between variables
  • Independent variable- a variable that is manipulated in an experiment
  • Dependent variable- a variable that depends on that of…


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