Presenting Data

• Graphs


  Provide a visual show of the results that can be misinterpreted
• Tables


  Provides summary of results, unlikely to be misinterpreted
• Discrete data


  no intervals between the data so it cant be split up
• Continuous data


  has intervals due to the of measurement of the scales
• Bar Chart


  Title, IV and DV, Key and Correct plotting of data
• Bar chart displays discreet data
• Bar chart displays discreet data
• Histogram displays continuous data, bars are equal and touching
• Pie chart


  Allows visual comparison of part of a whole
• A significant result is one where there is a low probability that the result is because of chance or a fluke.
• There are a variety of tests used to establish this significance. They provide the psychologists with a probability that the results are significant.
• To indicate that this significant difference or relationship exists or is being considered the term significant can be used in the hypothesis.
• A p-value represents the probability of something

  happening by chance. Expressed as a decimal

  • P= 0 means no influence of chance.

  • p=1 means completely down to chance
• level of significance is shown as a p-value