To use SPSS, you move between two windows: the Data Editor, where you define and hold your dataset across a Data View and a Variable View, and the Output Viewer, where every result lands. You build or import a dataset, declare each variable's measurement level, run a procedure from the Analyze menu, and read the tables it produces. The habit that separates a defensible analysis from a fragile one is paste-and-keep syntax, so every step is reproducible. This guide orients you to the interface and the workflow before you run a single test.
The two views every dataset has
The Data Editor shows one dataset through two tabs, and understanding the split is the foundation of everything else. Data View is the spreadsheet you expect: rows are cases (usually participants) and columns are variables (what you measured). Variable View is the metadata behind those columns, one row per variable, where you set the Name, the Type(numeric, string, date), the Values (the labels that map a code like 1 to its meaning, such as Male), the Missing codes, and, most consequentially, the Measure. Beginners type data straight into Data View and ignore Variable View; that is the root of most later confusion, because the codes have no labels and SPSS does not know how to treat each variable.
Measurement level decides which analyses SPSS allows
The Measure column offers three levels, and getting it right is not cosmetic. Scale covers continuous, interval, or ratio data such as age, score, or reaction time; Ordinal covers ranked categories such as a Likert agreement scale; and Nominal covers unordered categories such as treatment group or sex. SPSS uses this declaration to decide which variables it offers in each dialog and how it draws charts, so a continuous variable mislabelled nominal will be missing from the boxes you expect. Matching the measurement level to the right test follows the test-selection logic, and it is the first thing to verify when a procedure refuses to accept a variable.
Getting data into SPSS
Most dissertation data starts life in Excel or a survey export, not typed by hand. Use File > Import Data > Excel to bring a spreadsheet in, ticking Read variable names from first row so your column headers become variable names. SPSS guesses the type and measure on import, and you should always open Variable View afterwards to correct those guesses, add value labels, and declare missing codes, because the guesses are frequently wrong. Save the result as a native .sav file, which preserves all that metadata; a re-export to Excel would lose the labels and measures you just set. Getting the dataset clean at this stage is the groundwork covered in cleaning data in SPSS.
Why you should work in syntax, not just menus
Every dialog in SPSS has a Paste button, and using it is the single most valuable habit for serious work. Instead of clicking OK, click Paste, and SPSS writes the command for that analysis into a Syntax Editor window rather than running it immediately. Building your analysis as a saved syntax file gives you three things the menus cannot: an exact, rerunnable record of what you did, which is what reproducibility means; the ability to rerun the whole analysis after you fix a data error, in one click rather than fifty; and a defence in your viva, because you can show precisely how each result was produced. The reproducible syntax for a simple run looks like this, and you execute a block by selecting it and pressing the green arrow:
* Recode a reverse-scored item, then describe.
RECODE q5 (1=5)(2=4)(3=3)(4=2)(5=1) INTO q5r.
VARIABLE LABELS q5r 'Item 5 (reverse scored)'.
EXECUTE.
DESCRIPTIVES VARIABLES=age score q5r
/STATISTICS=MEAN STDDEV MIN MAX.Running your first analysis and reading the output
Nearly every procedure lives under the Analyze menu, organised by family: Descriptive Statistics for frequencies and means, Compare Means for t-tests and one-way ANOVA, Correlate for correlations, Regression for prediction, and General Linear Model for factorial designs. When you run one, results open in the Output Viewer, a separate window with a navigation tree on the left and tables on the right. SPSS output is dense, and reading it in the right order, fit or assumption checks first, then the inferential test, then the effect size, is a skill in itself, covered in interpreting the SPSS output window. Save the Output Viewer as a .spv file, and export the tables you need to your write-up rather than retyping numbers, which is a common source of transcription error.
A sensible order of operations for a project
A whole analysis follows a dependable sequence, and doing it in order prevents most rework. Define and label your variables in Variable View; import and then clean the data, screening for impossible values and deciding how to handle missing data; run descriptive statistics and visual checks to understand the distributions; verify the assumptions of your planned test, such as normality or homogeneity of variance; run the inferential procedure itself, pasting the syntax as you go; and finally report the result with its effect size. Each of those stages has its own guide on this site, but the order is the point: jumping to the inferential test before the data are clean and the assumptions checked is the most common way a result turns out to be wrong.
Common beginner mistakes to sidestep
A handful of errors recur. Typing numeric codes without setting value labels, so the output reads 1 and 2 instead of the groups they stand for. Leaving cells blank for missing data without declaring a missing value code, so SPSS cannot distinguish a true zero from an absent answer. Mislabelling the measurement level, so variables vanish from the dialogs that need them. Working entirely through menus with no saved syntax, so a single data correction means redoing every click. And overwriting the original raw data file instead of saving a clean working copy, which leaves no way back if a recode goes wrong. Avoiding these from the start makes every later test, from a t-test in SPSS to a multiple regression, far smoother to run and to defend.