correlations

Cards (6)

  • 3 differences between test of difference hypothesis and correlational hypothesis
    • correlational has 2 dependent variables whereas test of difference has one independent variable and one dependent variable
    • correlational cannot show us causation (because one variable causes the other) but test of difference can show us how it is caused
    • correlational uses variables which can be put onto scales but test of difference can use categorical data
  • a correlation is a test to see whether 2 variables are related - relationship between 2 variables
  • example of correlation within psychology includes banduras bobo doll experiment which outlined the correlation between observing adults behvaiour and their levels of aggression
  • correlations are shown on scatter graphs
  • fill in the gaps
    A) -0.4
    B) 1
    C) no correlation
  • curvilinear correlation is where there is a predictable relationship but has an optimum point