Directional Hypothesis (Ch 6) - Answers A hypothesis that makes a specific prediction about the
direction of the relationship between the variables.
Hypothesis (Ch 6) - Answers A statement of predicted relationships (predicted outcomes)
between variables.
Non-directional Hypothesis (Ch 6) - Answers A research hypothesis that does not stipulate the
expected direction of the relationship between the variables.
Null Hypothesis (Ch 6) - Answers A hypothesis stating no relationship between the variables
under study; used primarily in statistical testing as the hypothesis to be rejected.
Problem Statement (Ch 6) - Answers An expression of a dilemma or disturbing situation that
needs investigation.
Research Hypothesis (Ch 6) - Answers The actual hypothesis a researcher wishes to test (as
opposed to the null hypothesis), stating the anticipated relationship between two or more
variables.
Research problem (Ch 6) - Answers A disturbing or perplexing condition that can be investigated
through disciplined inquiry.
Research questions (Ch 6) - Answers A specific query the researcher wants to answer to
address a research problem.
Statement of Purpose (Ch 6) - Answers A declarative statement of the overall goals of a study.
Bibliographic databases (Ch 7) - Answers Electronic databases for locating references. CINAHL
& MEDLINE are especially useful for nurses.
CINAHL database (Ch 7) - Answers An important database for nurses; covers references to
nursing and allied health journals, books, book chapters and dissertations.
Keyword (Ch 7) - Answers An important term used to search for references on a topic in a
bibliographic database.
Literature Review (Ch 7) - Answers A critical summary of research on a topic, often prepared to
put a research problem in context or to summarize existing evidence.
MEDLINE database (Ch 7) - Answers MEDLINE database was developed by the U.S. National
Library of Medicine; it is the premier source for bibliographic coverage of biomedical literature.
Primary source (Ch 7) - Answers First-hand reports of facts or findings; in research, the original
report prepared by the investigator who conducted the study.