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research
research test 3
38
Social Work
Undergraduate 4
04/11/2011

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Term
what makes for a good research design?
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
Term
what is the exploratory design?
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
Term
descriptive research design (4)
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
Term
which group are sensitive to individual differences
Definition
single subject research designs
Term
characteristics of a single subject's design
Definition
-baseline assessment
-non treatment and treatment plans
-continuous assessment
-validated instrumentation
-trends in data
-variability in data
Term
smaller sample sizes=
Definition
exploratory
Term
larger sample sizes=
Definition
experimental
Term
multiple baselines=
Definition
time series design
Term
most rigorous of research designs?
Definition
explanatory or experimental designs
Term
hypotheses are used to test the relationship between the indepependent and dependent variables in which design?
Definition
explanatory/experimental
Term
experimental design
Definition
-presence of clearly defined DV and IV
-use of control groups
-randomized samples
Term
does experimental design use randomized samples?
Definition
yes!
Term
a set of cases selected for study among people or objects within a defined population
Definition
sample
Term
representativeness
Definition
the degree to which a sample is similar to the population from which it is drawn
Term
t
Definition
Term
the number of cases in the sample
Definition
size
Term
what is a static group?
Definition
comparison group
Term
time series has _____ baselines
Definition
multiple
Term
which 2 research designs have baselines?
Definition
time series and pre/post test
Term
experimental designs have what kind of samples?
Definition
random
Term
represents collective body
Definition
sampling
Term
it's not possible to calculate the likelihood that a case will be selected
Definition
non probability sampling
Term
randomly selecting some predetermined number of cases from the sampling population
Definition
simple random sampling
Term
selection without the use of random number tables
Definition
systematic random sampling
Term
a random number or mathematical table may be used
Definition
simple random sampling
Term
sample members are grouped based on one category
Definition
stratified random sampling
Term
a multistage process of listing and then randomly sampling groups of cases rather than individual cases
Definition
cluster sampling
Term
selecting cases for study primarily because they are readily available and accessible to the researcher
Definition
convenience sampling
Term
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
Definition
purposive sampling
Term
sampling in NOT preselected- the sample is actually compiled as the research progresses-sample is most often built from other participants
Definition
snowball sampling
Term
begins by establishing an accurate description of the research population and building the descriptions into a matrix- they are selected based on eligibility criteria
Definition
quota sampling
Term
the degree to which an instrument actually measures what it claims to measure
Definition
validity
Term
-one group posttest only
-cross sectional
-longitudinal
Definition
exploratory design
Term
pre/post test
static group
time series
Definition
descriptive designs
Term
classic experimental
post test only
Definition
experimental designs
Term
simple random
systematic
stratified
cluster
Definition
probabability
Term
convenience
purposeful
snowball
quota
Definition
non probability
Term
does the measure work consistently
Definition
reliability
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