Construct validity refers to validity of the ideas and concepts used in the research. Constructs are âconceptsâ and âideasâ. This particular validity is often problematic and not clear cut. There is a subjective (interpretive) element in it that makes it somewhat debatable.
The divergence of scale at the poles is a major weakness of the Mercator projection, rendering it unsuitable at high latitudes. Login or Sign Up to answer this question. data-config-site-section=chacha>. What is a Mercator projection A Mercator projection is a mathematical method of showing a map of the globe on a...
The UTM Grid. The best known use of the transverse Mercator projection is the specialized form called Universal Transverse Mercator (UTM) projection system. The UTM defines a grid covering the world between parallels 84Â°N and 80Â°S. The grid is divided in sixty narrow zones, each centered on a meridian.