key dependent variables

Map Branches

• literature review
  • 4 sections
    • normal swallowing
      • description
      • ageing
      • variability
    • diseases poss. impacting on swallow
      • parkinson's
      • MS
      • MND
      • Spec. other?
        • SMA
    • QOL impact of swallowing difficulty
      • symptoms TWT is sensitive to
        • WHO/NHMRC screening test criteria
      • benefits of early detection
        • who could use it?
          • when
          • where
    • swallowing assessment
      • currently existing Ax
        • How does TWT differ?
      • Existing norms??
• future development
  • publish!
• data
  • 370 participants!
    • key dependent variables
      • time per swallow
      • sip volume
      • mean swallow capacity
    • key independent variables
      • age
      • gender
        • probably masking height
  • analysis
    • norming
      • means
      • standard deviations
      • percentiles
      • within data
        • "special groups"
          • score distribution
      • ref. lectures
        • psychometrics
          • Z score lectures
      • steps:
        • work out distribution of dependent variable
          • test distribution fit
            • choose most appropriate analysis
              • normal distribution
                • multiple regression
              • other distribution
                • general linear model
              • binary outcomes
                • logistic regression
    • reliability testing
      • alpha co-efficients
  • (untitled branch)
    • missing
      • variable
        • height
  • interaction hypothesis testing
    • additional
      • need specific interaction term
• aims
  • TWT
    • set up for future
      • other populations
        • (untitled branch)
          • MND
          • TBI?
          • parkinson's
          • MS
      • change measurement
    • reliability
      • dual collection
        • Inter-judge
    • norms
      • age ranges
        • 90+
        • 81-90
        • 71-80
        • 61-70
        • 51-60
        • 41-50
        • 31-40
        • 21-30
        • 15-20
• data collection
  • complete
• data entry
  • in progress
    • split into groups
      • genders
      • ages
        • age ranges
          • 90+
          • 81-90
          • 71-80
          • 61-70
          • 51-60
          • 41-50
          • 31-40
          • 21-30
          • 15-20
    • transfer to SPSS
    • add ages
      • Frankie
      • Row

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