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| what makes for a good research design? |
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Definition
-must be based on a thorough review of the literature -serves as a plan for the latter stages of research -includes a reasonable research question -has the ability to answer the research question -contributes to science -gives sample and data collection methods |
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| what is the exploratory design? |
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Definition
-used in the beginning stages of research when very little is known about a problem or population -information may be used for the groundwork for future inquiry -used to derive hypothesis for future research -often used as a pilot study |
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Term
| descriptive research design (4) |
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Definition
1) goal is typically measurement of a behavior or social phenomenon 2) variables are identified prior to measurement 3) most descriptive research attempts to better understand and measure how variables are naturally distributed 4) variables are usually associated or correlated |
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| which group are sensitive to individual differences |
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Definition
| single subject research designs |
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| characteristics of a single subject's design |
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Definition
-baseline assessment -non treatment and treatment plans -continuous assessment -validated instrumentation -trends in data -variability in data |
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| most rigorous of research designs? |
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Definition
| explanatory or experimental designs |
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| hypotheses are used to test the relationship between the indepependent and dependent variables in which design? |
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Definition
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Term
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Definition
-presence of clearly defined DV and IV -use of control groups -randomized samples |
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| does experimental design use randomized samples? |
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Definition
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| a set of cases selected for study among people or objects within a defined population |
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Definition
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| the degree to which a sample is similar to the population from which it is drawn |
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| the number of cases in the sample |
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| time series has _____ baselines |
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Definition
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Term
| which 2 research designs have baselines? |
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Definition
| time series and pre/post test |
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Term
| experimental designs have what kind of samples? |
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Definition
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Term
| represents collective body |
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Definition
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| it's not possible to calculate the likelihood that a case will be selected |
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| randomly selecting some predetermined number of cases from the sampling population |
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| selection without the use of random number tables |
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Definition
| systematic random sampling |
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| a random number or mathematical table may be used |
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Definition
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| sample members are grouped based on one category |
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Definition
| stratified random sampling |
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| a multistage process of listing and then randomly sampling groups of cases rather than individual cases |
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Definition
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| selecting cases for study primarily because they are readily available and accessible to the researcher |
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Definition
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| cases are selected because they are believed to be able to give the research access to some unique approach to a specific problem or situation |
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| sampling in NOT preselected- the sample is actually compiled as the research progresses-sample is most often built from other participants |
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Definition
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| begins by establishing an accurate description of the research population and building the descriptions into a matrix- they are selected based on eligibility criteria |
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| the degree to which an instrument actually measures what it claims to measure |
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-one group posttest only -cross sectional -longitudinal |
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pre/post test static group time series |
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classic experimental post test only |
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simple random systematic stratified cluster |
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convenience purposeful snowball quota |
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| does the measure work consistently |
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