This document discusses key concepts related to research including:
1. It defines research as a systematic, critical, and empirical investigation of hypotheses related to natural phenomena.
2. It outlines the purposes of nursing research as exploring phenomena, describing information, explaining behaviors, experimenting on relationships, testing procedures, predicting outcomes, and solving problems.
3. It discusses ethical considerations in nursing research including beneficence, respect for human dignity, justice, informed consent, and vulnerable subjects.