5Design of a Measurement Scale

5.1. Introduction

In the previous chapter, we discussed the main steps in building a multiitem reflective measurement scale. However, this is not sufficient to reflect all the decisions to be made in this process because these steps specify the general procedure to be followed, but do not say anything about the formulation of items that may be better than others or about the response formats associated with the scale that may be more efficient in the processes of data collection and analysis, etc. The quality of an instrument is largely determined by the number of items, the labels (words) used, the formulation of the items, the number of response modalities, the numbering associated with them, the existence or not of response labels and/or numbers, the type of scale (Likert, semantic differential, etc.), etc.

Reflections on the scale ...

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