Statistical package for social science

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Statistical package for social science

  1. 1. Statistical package for social scienceScientific researchPresented to : Dr. Basma Damiri
  2. 2. OutlineSPSS definition .History of statistics Uses and importance .Topics of statisticaldata analysis.
  3. 3. History of statistics Statistical package for social sciences 1968
  4. 4. Uses of SPSS Data collection and organization. Data output. statistical testes.
  5. 5. Before the data entry You need a code book/scoring guide. You also can use Excel to do data entry.
  6. 6. Enter data in SPSS6Columns:variablesRows: casesUnderData View
  7. 7. Enter variables71. Click thisWindow1. Click Variable View2. Type variable name underName column (e.g. Q01).NOTE: Variable name can be 64bytes long, and the firstcharacter must be a letter orone of the characters @, #, or$.3. Type: Numeric, string, etc.4. Label: description of variables.2. Typevariable name3. Type:numeric orstring4. Descriptionof variable
  8. 8. Enter variables8Based on yourcode book!
  9. 9. Enter cases9Under DataView1. Two variables in the data set.2. They are: Code and Q01.3. Code is an ID variable, used to identify individualcase (NOT people’s real IDs).4. Q01 is about participants’ ages: 1 = 12 years oryounger, 2 = 13 years, 3 = 14 years…
  10. 10. Data review before statisticalanalysis To ensure that the data that entered to thecomputer is correct and complete we have toreview important problems :1. Outliers .2. Missing data. Exclude cases pairwise. Replacing missing data.3. Normal distribution .

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