Inleiding in de Methodologie en Statistiek (6461PS014Y)
Summary
SPSS Block 1 Cheat Sheet - A summary of all necessary procedures step by step
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Course
Inleiding in de Methodologie en Statistiek (6461PS014Y)
Institution
Universiteit Leiden (UL)
Book
SPSS Survival Manual
This is the only document you'd need to bring with you in the SPSS Block 1 exam. It has all the procedures you need to know written clearly step by step. It is the only thing I used in my SPSS exam, and I got a 10.
Inleiding in de Methodologie en Statistiek (6461PS014Y)
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SPSS cheat sheet
Block 1
Define variables in variable view:
type: numerical or String (text as value)
label: description of variable
values: click on dots and add (also add missing values! 9 = ”unknown”)
missing: click on dots -> discrete missing values -> type up to three codes (9, 99, 999...)
(careful: sometimes SPSS reads either over commas or dots, meaning if you have the value 9.99 and the settings
only read it if you write it with a comma, so 9,99, you have to make sure that you write it the proper way so that
the variable is recognized, and not written as 999 => ALWAYS DOUBLE CHECK!)
Sort cases: DATA → SORT CASES → can be seen in the data view -or- Right click on collumn -> SORT
ASCENDING/DESCENDING
Return to original order: sort by Respondent Number/ID
Create Bar Chart/Histogram: GRAPHS → LEGACY DIALOGS → BAR CHART/HISTOGRAM: select variable (or via chart
builder) + if you want a curve: tick “Display normal curve”
Graphs with selection:
1. First you have to make a selection: DATA → SELECT CASES → IF CONDITION IS SATISFIED: specify criteria (e.g. V6 = 1
=> sex is female or V7 < 1,60 => height is lower than 1,60) => SPSS crosses out variables that are not selected
2. Then just create a graph normally (it’s automatically created only with selected cases)
Undo selection: DATA → SELECT CASES → ALL CASES or RESET
Frequency table: ANALYZE → DESCRIPTIVE STATISTICS → FREQUENCIES: Statistics → select stuff like mean, standard
deviation, maximum, etc.
Descriptive Table: ANALYZE → DESCRIPTIVE STATISTICS → DESCRIPTIVES: Options → select stuff like mean, standard
deviation, maximum, etc.
Create Boxplot (one single variable): GRAPHS -> CHART BUILDER -> select “1-D Boxplot” -> Drag & drop variable on X
axis -> OK
-or- via LEGACY DIALOGS -> BOXPLOT -> tick “Summaries of separate variables” -> Select variable -> OK
Change color of boxplot: double click on boxplot in the output & edit color
Create side-by-side Boxplots: GRAPHS -> CHART BUILDER -> select “1-D Boxplot” -> Drag & drop variable on X axis (e.g.
Total Optimism) & Y axis (Categories we have – e.g. males/females)
Calculate z scores: ANALYZE -> DESCRIPTIVE STATISTICS -> DESCRIPTIVES -> tick “Save standardized values as variables”
=> there’s a new column of the standardized values at the end
Create scatter plot: LEGACY DIALOGS -> SCATTERPLOT -> SIMPLE SCATTER -> select variables on X axis & Y axis
-if you want to have the dots marked on the basis of another variable (e.g. gender)- Add variable in “Set markers by”
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