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 is a method of creating a rectangular flat map with a grid of vertical lines representing longitude lines and horizontal lines representing latitude. Surface land and water areas of the nearly spherical Earth are âunwrappedâ from the globe.