Chapter 2Entering and Modifying Data
In Chapter 1, we learned how to create and save a simple data file, perform a basic analysis, and examine the output. In this section, we will go into more detail about variables and data.
Section 2.1 Variables and Data Representation
In SPSS, variables are represented as columns in the data file. Participants are represented as rows. Thus, if we collect four pieces of information from 100 participants, we will have a data file with 4 columns and 100 rows.
Measurement Scales
There are four types of measurement scales: Nominal, ordinal, interval, and ratio. While the measurement scale will determine which statistical technique is appropriate for a given set of data, SPSS generally ...
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