CRJS 4466

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CRJS 4466 PROGRAM POLICY EVALUATION Formative
Process Evaluation

• Tests
• Evaluation projects
• Questions?

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• 4. Single System Research Design
• SSRDs
• developed out of clinical/social work research
• used with individuals, groups, organizations
• directed at measuring outcomes, using visual
  (graphic) presentations
• a cousin of interrupted time series designs

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• 4. Single System Research Design
• selecting outcome measures
• 1. measurement reliability
• 2. measurement validity
• 3. sensitivity to change
• measures need to be accessible, repeatable
• measures ideally can be baselined prior to
  intervention
• can be used even in needs assessments

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• 4. Single System Research Design
• notation
• A design (baseline only)
• B design intervention
• ABA baseline, intervention, post-intervention
• ABAC (a second intervention)
• BAB

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• 4. Single System Research Design
• quasi-experimental, multiple time series
  designs
• E group XXXXXXXXX INT XXXXXXXXXXX
• C group XXXXXXXXXXXXXXXXXXXXXXXX
• can be extended to multifactorial designs

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• 5. Single System Research Designs Formative
  Evaluations
• can be employed in existing programs (B phase)
  to evaluate effectiveness by altering B phase
  with removal of intervention (A phase) to assess
  impact of removing on behaviour, alternating A
  and B to assess effectiveness of intervention

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• 6. Single System Research Designs Quality
  Assurance
• multiple time series designs ABA, and
  multifactorial designs, as in the textbook
  example related to assessing days stay in three
  hospital wards

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• 7. Single System Research Designs
• summative evaluation
• experimental designs
• issues related to external validity the use
  of replication
• use of inferential statistics

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