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- Andrew Grant, Ph.D., Director, Grants Development
- Renee Pekmezaris, Ph.D., Vice President, Research
- The Nerken Center for Research
- Parker Jewish Institute
for Health Care and Rehabilitation
- New Hyde Park, New York
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- Determine the worth of an ongoing program
- Find ways of improving a program
- Increase the effectiveness of program management and administration
- Meet accountability requirements, such as audits
- Contribute to substantive and methodological social science knowledge
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- Pros Cons
- Already being collected You don’t have control (Records may be incomplete)
- Objective; credible Extraction can be time-consuming
- Prospective-happens during Ethical or legal concerns (HIPPA; treatment
or program confidentiality
issues)
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- Pros Cons
- Highly credible if conducted Hawthorne effect
- by disinterested outsider
- Point of view of observer Observation instrument and different from
training is time-consuming
- program employees
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Usually requires large number
- of observations
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- Pros Cons
- Structured format allows Interviews more flexible
- for standard format of
- many questions/areas of
inquiry
- Can be anonymous Completion Rate is often low
- Can be administered to Some people express themselves
- many people at different
better orally (without structure
- sites simultaneously of
survey)
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- Pros Cons
- Especially effective with Time consuming to conduct
- people who cannot read
- or have trouble with
- written form of English
- Permit flexibility in Interviewer can influence response of
- information acquisition interviewee
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- Sampling is a method which allows you to collect information about the
population, based on a smaller group
- Unless your program is really simple, you probably won’t be able to
cost-effectively capture every performance data point on every subject
- Sample size needs to be large enough to be representative of the groups
as a whole
- If you expect improvement over time, then you have to sample over time
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- Validity: A measure is valid to
the extent that it measures what it is intended and presumed to measure. A valid measure must also be reliable.
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- A measure is reliable to the extent that the application of the measure
to a given situation produces the same results repeatedly, given that
the situation does not change between measurements.
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- Best Randomized experiments
- Matching designs ( e.g., IQ, SES)
- Two Group, Quasi-Experimental
- Designs
- OOOOOXOOOOOO000000
- OOOOOOOOOOOXOOOO0
- Single Group, Quasi-Experimental
- Designs
- OOOOOXOOOOOO000000
- Worst Pre/Post Designs
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- Take the time to learn from the successes and failures of others-you
will not be sorry!
- Conduct a comprehensive literature review
- There are probably valid, reliable instruments being successfully used
with your population
- Talk to other programs to find out how they approach program evaluation
- Conduct multi-center sites and benchmark against one another
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- HIPPA Regulations
- Ethical Issues
- Role of the IRB (Institutional Review Board)
- Institutional Policy & Procedure
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- (Human Subjects Committee)
- A committee formulated under Federal
- regulations to assure the protection of
- human subjects in research. The
IRB reviews,
- approves the initiation of, and conducts periodic
- reviews of research involving human subjects.
- The major mandate of IRBs is to protect the
- rights and safeguard the welfare of the subjects
- involved in research.
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- A human subject is involved if:
- The person is alive *
- Data pertaining to the person will be obtained
- through:
- Intervention (e.g., taking a
blood sample).
- Interaction (e.g., taking a
medical history).
- A private/confidential source
(e.g., medical
- records).
- *Note: NY State law does not include the word “living” in its definition
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- (4) Collection of blood samples by veni-puncture, in amounts not
exceeding 450 milliliters in an eight week period and no more often than
two times per week.
- (5) Collection of dental plague provided that the procedure is not more
invasive than routine prophylactic scaling of the teeth.
- (6) Voice recordings made for
research purposes.
- (7) Moderate exercise by healthy
volunteers.
- (8) The study of existing data, documents, records, pathological
specimens, or diagnostic specimens.
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- “It is sometimes said that the facts speak for themselves. In reality, statistics often stand
speechless and silent, tables are sometimes tongue-tied and only the
graph cries aloud its message”
- -Glass G. V., & Stanley, J.C. Statistical methods in education and
psychology (1970)
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