What does the word approach mean as used in this text?

Ialready know the answer to this question but i wanted to ask you guys to see if you know. who started the okinawan karate style ryukyu kempo? when year was it found?

Martha participates in a research study in order to receive extra credit for her psychology class. when she arrives in the research office she is given a can of what looks and tastes like beer, but which actually contains no alcohol. in the adjoining room martha's classmate karen is also participating in the study. karen receives a can of alcoholic beer. if the experiment was designed to test the effects of alcohol on concentration, then who is exposed to the independent variable?

Neighborhood and community characteristics: the social ecology approach emphasizes the view that certain social and physical characteristics of neighborhoods and communities influence the likelihood of committing deviance and crime.imagine that you are in a position as a community leader. there are several neighborhoods in your community with: high poverty rates low quality housing single parent households which issue would you address first, and what strategies would you propose to address this issue?