The Pacific Time Zone includes places like California, Washington, Oregon, Nevada and Idaho in United States, British Columbia, Yukon, Tungsten, and Northwest territories in Canada, and Baja California in Mexico. The largest city in Pacific Time zone is the Los Angeles in California.
2.1 Definition of Research. research: NOUN: 1. a detailed study of a subject, especially in order to discover (new) information or reach a (new) understanding.  Cambridge University Press 2003. The word research is used to describe a number of similar and often overlapping activities involving a search for information. For example, each of the following activities involves such a search; but the differences are significant and worth examining.
Types of Research Methods. The purpose or purposes underlying a research study guide the choice of the specific research methods that are used. Any individual research study may address multiple questions, not all of which share the same purpose. Consequently, more than one research method may be incorporated into a particular research effort.