Where are you now, relatively speaking? what's your relative location?

experiments.

surveys.

questionnaires.

interviews.

case studies.

participant and non-participant observation.

observational trials.

studies using the delphi method.

answer; they systematic design, collection, interpretation and reporting of information to marketers solve specific marketing problems or take advantage of market opportunities;

answer; opportunities to further the healthy development to deal with the crisis of the next stage;