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...
In their description of the serratus plane block, Blanco et al. demonstrated the area of sensory loss and spread of the injection using magnetic resonance, with longer duration of action and better spread (T2-T9) with superficial vs deep injection to the serratus muscle, but it is uncertain whether the same can be assumed for pecs II block.