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...
conic map projection, strength: shows areas along one longitude, which is accurate weakness: farther away from map the more distorted it gets. planar map projection, strength: accurate at the point where the map touches globe weakness: distortion increases farther away the map is from globe. cylindric map projection, strength: shows direction accurately weakness: move away from poles, does not show shape and size correctly.