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quantitiative
type of data that can be converted into numbers usually for statistical comparison
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qualitative
type of data that cant be converted into numbers usually because they relate to meaning
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scientific method
a procedure for acquiring knowledge that emphasizes collecting concrete data through obeservation and experiment
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scientific method
procedure for acquring knowledge that emphasizes collecting concrete data through observation and experiment.
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literature review
thorough search through previously published studies relevant to a particlular topic
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hypothesis
theoretical statement explaining the relationship between two or more phenomena
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variables
one of two or more phenomena that a researcher believes are releated and hpes to prove are related through research
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operational definition
clear and precise definition of a variable that faciliates its measurements
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causation
relationship between variables in which a change in one directly produces a change in the other.
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intervening variable
thrid variable sometimes overlooked that explains the relationsihip between two other variables
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spurious correlation
appearance of causation produced by an intervening variable
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paradigm shift
describe a change in basic assumption of a particular scientific discipline.
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ethnography
naturalistic method based on studying people int heir own enviorment in order tounderstand the meanings they attribute to their activites also the written work that results from the study
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participant observation
methodology associated with ethnography where by the researcher both observes and becomes a member in a social setting.
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acess
process by which an thenographer gains entry to a field setting
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rapport
positive relationship often characterized by mutual trust of sympathy
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fieldnotes
detailed notes taken by an ethnographer describing her activites and interactions, which later become the basis of the ethnographic analysis
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reflexivity
identity and activites of the researcher influence what is going on in the field setting
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grounded theory
inductive method of generating theory from data by creating categories in whic hto place data and then looking for relationships between categories
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replicability
research that can be repeated, and thus verified by other researchers later
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representativeness
degree to which particluar studied groups is similar to, represents any part of the larger society
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bias
opinion held by the researcher that might affect the research or analysis
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intervies
face to face information seeking conversation, sometimes defined as a converssation with a purpose.
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respondent
someone from whom a researcher solicits info
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target population
entire group about which a researcher would like to be able to gerneralize
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samples
part of the population that would actually be studied.
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closed-ended question
a question asked of a respondent that imposes a limit on the possible responses
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open-ended question
a question asked of a respondent that allws the answer to take whatever form the repondent chooses
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leading question
questions that predispose respondent to answer in a certain way
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double barreled question
questions that attempt to get at multiple issues at onece and so tend to revieve incomplete answers
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survey
method based on questionaires that are administered to a sample of respondents selected from a target population.
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likert scale
way of organizing categories on a survey question so that the respondent can choose an answer along a continium.
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negative questions
survey questions that ask respondents what they dont think instead of what they do.
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represenatatives sample
sample taken so that findings from members of the sample group can be generalized to the whole population
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probabilty sampling
sampling scheme in which the probabiliiy of selecting any given unit is known.
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simple random sample
particular type of probability sample in which every member of the population has an equal chance of being selected
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weighting
techniques for manipulating the sampling procedure so that the sample more closely resmebles hte larger populatioin.
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response rate
the number or percentage of surveys completed by respondents and returned to researchers.
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reliability
the consistency of a question or measurement tool; the degree to which the same question will produce similar answers
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confidentiality
the assurance that no one other than the researcher will know the idenitity of a respondent.
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validity
the accuracy of a question or measurement tool; the degree which a researcher is measuring whaat he thinks he is measuring.
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pilot study
small study carried out to test the feasibilty of a larger one
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existing sources
any data that have already been collected and are available for future research.
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comparative and historical methods
methonds that use existing sources to study relationships between elements of society in various regions and time periods.
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content analysis
a method in which researchers identify and study specific variables- such as words- in a text image, or media message
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experiments
formal tests of specific variables and effects, performed in a controlled setting where all aspects of the situation can be controlled
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control
experiment, the process of regulating all factors except for the independent variable
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experimental group
part of a test group that recieves the experimental treatment
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control group
part of a test group that is allowed to continue without intervention so that it can be compared with experiment treatement.
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independent variable
factor that is predicted to cause change
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dependet variable
factor that is changed by the indpependet variable
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value free sociology
ideal wherby researcher identify facts without allowing their ow personal beliefs or biases to interfere
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basic research
search for knowledge without any agneda or desire to use that knowledge to effect change
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applied research
research designed to allow the researcher to use what is learned to create some sort of change
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objectivity
impartiality the ability to allow the facts to speak for themselves
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reactivity
tendency of people and events to react to the process of being studied.
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hawthorne effects
specific example of reactivity, in which the desired effects is the result not of the indpendent variable but of the research itself.
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deception
extent to which the participants in a research project are unaware of the project or its goals
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code of ethics
ethical guidlines for researchers to consult as they design a project
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insitiutional review board
group of scholars within a unviersity who meet regularly to review and approve the research proposals of their colleagues and make recommendation for how to protects human subjects.
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