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Using graphs to present data

Using graphs to present data. Constructing graphs and interpreting data. Types of graphs commonly used in social work. Bar charts Pie charts Histograms Line charts Charts for single system designs.

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Using graphs to present data

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  1. Using graphs to present data Constructing graphs and interpreting data

  2. Types of graphs commonly used in social work • Bar charts • Pie charts • Histograms • Line charts • Charts for single system designs

  3. You must use graphs that are appropriate to the level of measurement associated with the variable you are measuring

  4. Bar Chart: Number of children with income under the poverty line

  5. Pie Chart

  6. Percents for Pie Chart

  7. Histogram: Sales Figures by Region Graph

  8. Line Chart

  9. Techniques for Making Comparisons: Histogram

  10. Techniques for Making Comparisons: Line Chart

  11. Single System Designs • Used by practitioners to measure whether intervention is effective. • Not a formal evaluation of worker performance. • Comparisons are made by comparing baseline measures to intervention phase. • Measures used are usually ratio: standardized scores or counting behaviors. • Behavioral counts are usually self-reports • Sometimes comparisons are made across clients, types of interventions, or types of behaviors

  12. Single –system Design Graph – Intervention starts at Week 5

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