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SPSS and surveys

SPSS and surveys. Chris Carroll Research Associate ScHARR, University of Sheffield Module Tutor: Analysis of Health Information, MSc in Health Informatics, Dept. of Information Studies, University of Sheffield. SPSS.

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SPSS and surveys

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  1. SPSS and surveys Chris Carroll Research Associate ScHARR, University of Sheffield Module Tutor: Analysis of Health Information, MSc in Health Informatics, Dept. of Information Studies, University of Sheffield

  2. SPSS • This presentation offers a brief introduction to the SPSS for Windows, including: • Introduction and what is good about SPSS • Viewing and manipulating data • Generating graphs and data tables • Some references

  3. Introduction • SPSS is a software package used for: • conducting statistical analyses • manipulating data • generating tables and graphs that summarize data

  4. Introduction • SPSS analyses quantitative, that is, numeric data • Survey data must be numeric or converted to numeric values for analysis in SPSS • Numbers can be assigned to qualitative survey responses, for example, Agree=1, Unsure=2, Disagree=3

  5. What is good about SPSS? • Easy-to-use pull-down menus, like Microsoft XP/Office • Users do not need to know complex statistical equations to use SPSS • SPSS is like a calculator: users enter the numbers and select the tasks, and the software does the rest

  6. What is good about SPSS? • Results are clearly presented • Tables and graphs can be copied directly from SPSS into Word files

  7. Viewing survey data • When SPSS opens a data file it displays it in the Data Editor • The Data Editor allows you to view, add, delete, manipulate and analyse data using the commands available through drop-down menus and sub-menus

  8. Viewing data: Variable View

  9. Viewing data: Data View

  10. Graphs and tables • It is possible to produce basic descriptive statistics for your survey data in the form of both graphs and frequency tables • The results appear in the Output View of SPSS

  11. Library collection 500 400 300 200 100 0 Long loan Reference Short loan Newspapers / magazines Library collection Graphs and tables • Example SPSS bar chart

  12. Library collection Long loan Short loan Refernce Newspapers / magazines d Missing Graphs and tables • Example SPSS pie chart

  13. Library Collection Cumulative Frequency Percent Valid Percent Percent Valid Long loan 485 46.5 46.9 46.9 Short loan 62 6.0 6.0 52.9 Reference 457 43.9 44.2 97.1 Newspapers / magazines 30 2.9 2.9 100.0 Total 1034 99.2 100.0 Missing System 8 .8 Total 1042 100.0 Graphs and tables • Example SPSS frequency tables

  14. Librarianship, surveys and SPSS • Many information / librarianship studies use SPSS to analyse survey data. Some recent examples: • Auster E. & McDiarmid M. (2005). Using volunteers in Ontario hospital libraries: views of library managers. Journal of the Medical Library Association. 93 (2), 253-62. • Rice DM. & Starner ME. (2004). Surveying the stacks collecting data and analyzing results with SPSS. Library Resources and Technical Services. 48 (4), 263-72. • Cardina C. & Wicks D. (2004). The changing roles of academic reference librarians over a ten-year period. Reference & User Services Quarterly. 44 (2), 133-42.

  15. References • Swinscow TDV. (1997). Statistics at Square One. 9th edition. BMJ. http://bmj.bmjjournals.com/collections/statsbk/index.shtml (Accessed 10 May 2006) • Driscoll P. et al (2000). An introduction to everyday statistics—1. Journal of Accident and Emergency Medicine, 17 (3), 205-211. http://emj.bmjjournals.com/cgi/content/full/17/3/205-a (Accessed 10 May 2006)

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