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...
Mercator projection, Mercator's projection-a map projection of the earth onto a cylinder; areas appear greater the farther they are from the equator. projection-the representation of a figure or solid on a plane as it would look from a particular direction.1  Facebook.onic projection, conical projection-a map projection of the globe onto a cone with its point over one of the earth's poles. equal-area map projection, equal-area projection-a map projection in which quadrilaterals formed by meridians and parallels have an area on the map proportional to their area on the globe.