When you watch dogs play in the park or watch how your professors conduct their classes, you are engaging in a form of case study research naturalistic observation survey research psychometric study?

The answer is "naturalistic observation."

Naturalistic observation is an examination strategy ordinarily utilized by therapists and other social researchers. This procedure includes watching subjects in their regular habitat. This sort of research is frequently used in circumstances where leading lab inquire about is unreasonable, taken a toll restrictive or would unduly influence the subject's conduct.  

Naturalistic observation varies from organized perception in that it includes taking a gander at a conduct as it happens in its regular setting without any endeavors at mediation with respect to the analyst.

no , per capita income is not a true measure of the development because: -it only tells us about average income not how income is distributed among the people.it only give us an idea of the economic aspect.it is only at the qualitative basis.moreover, income is not only the way of development other factors are also as much as important as income.