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Explain the difference between a research question and a research hypothesis ..

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630)mentioned the hypotheses guiding her research: It was hypothesizedthat there would be no significant difference between students in themiddle school and those in the junior high in attitude toward science as aschool subject.

22/02/2011 · What is the difference between a hypothesis and problem statement

Casual
Hypotheses
Associative:
Relationship between variable
Casual:
Cause-and-effect relationship between variables
Group differences
* Naturally occurring
Researcher controlled
Nondirectional vs.

Research Questions and Hypotheses

Research Hypotheses
Null hypothesis:
States there is not difference or relationship between variable; also called statistical hypothesis
Research hypothesis:
States what researcher thinks is true; there is a relationship between two or more variables
Testable Hypothesis
The hypothesis is clearly stated without the phrase "There is no significant different."
This should be testable in real world
Variables are measurable or able to be manipulated
Relationships between variables is either supported or not supported
Casual link between independent and dependent variables is evaluated using statistical test.


Area of concern in which there is a gap in knowledge needed for practice
Significance: current, important area of concern for profession
Background: one or two key studies that have been conducted related to problem

Sources of Research Problems
Nursing practice
Researcher and peer interaction
Literature review
Theory
Research priorities
Problem Statement
Justification of need
Current
Significance for nursing
Clear, concise statement
Goal, aim, focus, or objective of study
Includes variables, population, and setting
Purpose of Study
To describe...
To determine differences between groups...
To examine relationships among...

Difference between Theory and Research;

Hypotheses about the relationship between Two Categorical VariablesResearch Question: Do the odds of having a stroke increase if you inhale second hand smoke? A case-control study of non-smoking stroke patients and controls of the same age and occupation are asked if someone in their household smokes.Variables: There are two different categorical variables (Stroke patient vs control and whether the subject lives in the same household as a smoker).

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