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Constructing HypothesesFoundations of Nursing Research

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How do study assumptions impact a research project?
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They influence the questions asked, data that is gathered and the way the data is interpreted.
What are the three general types of assumptions?
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Universal assumptions Assumptions based on theory/research findings Assumptions that are necessary to carry out a study
________ assumptions are those that are held to be true by the majority of human beings.
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Universal
All people need love is an example of a/an _________ assumption.
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Universal
Assuming a man is the father of the child in a study that is measuring levels of bonding between a father and their child is an example of a/an ___________ assumption.
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Assumption necessary to carry out a study
Uncontrolled diabetes is a threat to the physical well-being of a client is an example of a _________ assumption.
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Universal
In a study to determine the most effective means to teach diabetic patients how to operate an insulin pump, the information that an insulin pump is the most effective means of delivering medication to a diabetic patient is an example of a __________ assumption.
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Assumption based on research
In a study to determine the most effective means to teach diabetic patients how to operate an insulin pump, the assumption that the patients want to learn the information and are able to learn the information is an example of _________ assumption.
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Commensense & necessary to the study assumption
____________ are uncontrolled variables that may affect a study's results and limit the generalizability of the findings.
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Limitations
___________ variables are variables over which the researcher either has no control or chooses not to exercise control over.
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Extraneous
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In experimental studies, uncontrolled variables are referred to as...
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threats to internal and external validity
A researcher's expectations about the results of a study are expressed as ____________.
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A hypothesis
A _________ predicts the relationship between two or more variables.
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hypothesis
How is a problem statement and a hypothesis different?
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A problem statement asks a question and includes the population and variables. A hypothesis has a theoretical answer to the question and includes the population, variables and a proposed relationship between the independent and dependent variables.
The ________ variable is the "cause."
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Independent
The ________ variable is the "effect."
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Dependent
The variable that does the influencing is the ________ variable.
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Independent
The variable that is influenced is the _______ variable.
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Dependent
What does it mean when a person says that a hypothesis must be testable or verifiable empirically?
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That it must be capable of being tested in the real world and by observations gathered through the senses
What is a directional research hypothesis?
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A hypothesis that contains the direction for the researcher's expectations of the study results.
The higher a child's self esteem is, the higher their body image will be... is an example of a _________ hypothesis.
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Directional research hypothesis
  
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