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 | Definition 
 
        | concise summary of a research article, highlighting the objective, hypothesis, partcipants, methods, setting, conclusion |  | 
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        | true difference between two or more groups |  | 
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        | Analysis of covariance (ANCOVA) |  | Definition 
 
        | type of analysis of variance that controls for pre-existing differences between groups |  | 
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        | Term 
 
        | Analysis of variance (ANOVA) |  | Definition 
 
        | commonly used test of significance for multiple group that compares variance between group to variance within groups |  | 
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        | another term for a quantative, experimental study |  | 
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        | One of three core ethical values- refers to value of doing no harm, max. potential benefits and min. potential risks of research participants |  | 
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        | design strategy where knowledge of the group assignment is concealed from either participants or researchers |  | 
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        | Case-control design or study |  | Definition 
 
        | type of observational study in which both the exposure and outcome have already occurred and are being analyzed |  | 
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 | Definition 
 
        | detailed account of the history, presenting, symptoms,observations, assessment Case report= more oftern used in health care literature |  | 
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        | reference to a journel article |  | 
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        | expermential studey where the reseacher randomly assigns treatment to group of participants |  | 
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        | group formed at a common point in time |  | 
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        | patient or reseach participant has multiple health conditions, usually exclusion criterion |  | 
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        | adherence to the study protocal |  | 
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 | Definition 
 
        | variable that blurs the relationship between two othe variables |  | 
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        | Term 
 
        | Control group/comparsion group |  | Definition 
 
        | group of study participants who do not receive treatment being studied |  | 
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 | Definition 
 
        | comparing an exposure and outcome using data from large population |  | 
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        | study that provides a record/description of events or activities |  | 
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        | acquiring knowledge by observation and verification through physical examination |  | 
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        | conscientious, explicit and judicious use of current best reserach evidence in making decision about the care of individual patients |  | 
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        | capacity of a study to be generalized to other groups or clinical setting |  | 
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        | Idea that science progresses best through demonstrating that a hypothesis is false |  | 
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        | another name for a cohort study |  | 
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        | threat to internal valididty, an event that occurs during the course of a study and influences the outcome but is unrelated to the treatment |  | 
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        | capacity of study to link case and effect |  | 
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        | One of the three core ethical values- refers to fairness in the distribution of the benefits and burdens of the research participation |  | 
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        | journal feature where readers write in response to previously published articles |  | 
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        | estimated amount of possible statisical error |  | 
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        | threat to internal validity, events that occur naturally with passage of time |  | 
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        | summary review using a group of studies selected according to pre-established criteria |  | 
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        | freedom from bias in the qualitative research process |  | 
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        | opposite of placebo effect |  | 
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        | more accurate term for the placebo response, which is positive response to inactive sham treatment |  | 
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        | calculation of number of participants needed in the study have 80% probability of detecting geniune effect |  | 
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        | chances of particular outcome |  | 
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        | research methods based on the collection and analysis of numerical data |  | 
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        | capacity of the study to be replicated by another |  | 
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        | one of the three core ethical values= treating people as autonomous beings who can make choices based on own interests or preferences |  | 
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        | case report that makes use of existing data that have already been observed and recorded |  | 
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        | process by which participants in a study are selected to represent experimental population |  | 
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        | study participants with pre existing and systemic differences are assigned to groups |  | 
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        | evidence that the results of a study are not due to chance or random error |  | 
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        | specific group of participants in a given study, subset of total experimental population |  | 
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        | most basic test of statistical signficance used to compare the means of two groups |  | 
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        | Test of statocstocal significance |  | Definition 
 
        | determine the statistical probablilty or extent to which any observed differences between two or more group means being compared due to chance |  | 
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        | capacity of a qualitative study's findings to be applied to other context, settings, or groups |  | 
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        | use of more then one method or strategy of data collection |  | 
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        | mistake based on random error |  | 
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        | statistical signficiance despite the presence of a true effect often due to lack of statistical power from too small of group |  | 
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        | too many types= test or instrument measures what it is suppose to measure |  | 
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