Research Exam 2

Studies generated from previous research studies in which the research is produced to validate findings, increase generalizability, and/or eliminate or minimize limitations

Statements of the disparity between what is known and what needs to be known and addressed by the research

Declarative and objective statements that indicate the general goal of the study and often describe the direction of the inquiry

A question that outlines the primary components that will be studied and guides the design and methodology of the study

A type of research question that is posed to compare one or more interventions to specific outcomes

Research designed to quantify the strength and the direction of the relationship of two variables in a single subject or the relationship between a single variable in two samples

Studies planned by the researcher for collection of primary data for the specific research and implemented in the future

A study conducted using data that have already been collected about events that have already happened. These secondary data were originally collected for a purpose other than the current research

Retrospective studies are less expensive than prospective studies and are often good starting points for exploratory research questions.

Prospective studies are indicated by research questions that focus on conditions that occur often and with relatively short follow-up periods

Analytic studies are logical for questions answered with numbers or with measurements

A restatement of the research question in a form that can be analyzed statistically for significance

Two essential aspects of a good hypothesis are:

A statement of the research question that declares there is no difference between groups

A two-sided statement of the research question that is interested in change in any direction

A one-sided statement of the research question that is interested in only one direction of change

Sometimes called two sided hypotheses, these are appropriate for exploratory research questions or randomized trials of interventiosn.

These are more rigorous tests than directional hypotheses

Appropriate for research questions in which there is a great deal of literature or empiracal support for an existing relationship.

Directional hypothesis tests are more liberal than nondirectional ones