Aims and hypotheses

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    Cards (7)

    • What is an aim?
      What we intend to investigate
    • what is a hypothesis?
      statement about what will happen
    • what is the difference between a one-tailed (directional) and two-tailed (non-directional) hypothesis?
      one-tailed specifies the direction of differences
      two-tailed doesn‘t specify a direction, only a prediction
    • what are investigator effects?
      unconscious bias that could effect the outcome of the study
      eg. Smiling, frowning and leading questions
    • what is ecological validity?
      the extent to which findings can be generalised to a REAL-LIFE setting
    • what is external validity?
      the extent to which findings can be generalised OUTSIDE THE RESEARCH SETTING
    • What is internal validity?
      Extent to which the study accurately measures what it intends to