Reliability and Validity of the Timed Floor to Stand Test-Natural in School-Aged Children

Goldie Weingarten, Sandra Kaplan

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Purpose: To establish reliability for the Timed Floor to Stand-Natural (TFTS-N) test as a stand-alone measure for schoolchildren with typical development (TD) in preparation for normative data collection. Methods: Five physical therapists working in schools standardized testing procedures for a "natural" pace version of the TFTS. Time data were collected using a repeated-measures design. Results: Twenty-two students with TD (8 years 7 months to 12 years 7 months; X = 10 years, SD = 1.13) completed the TFTS-N in 6.27 (SD = 0.30) to 8.45 (SD = 0.68) seconds. Intraclass correlation coefficients (ICCs) (3,1) ranged from 0.713 to 0.800 for intrarater reliability and was 0.988 for interrater reliability. The ICC (3,3) was 0.871 for test-retest reliability. Conclusion: The TFTS-N has high intra-, inter-, and test-retest reliability. TFTS-N has face validity as the task frequently occurs in school settings. The test procedures are reliable for trained physical therapists to establish individual baseline measures of schoolchildren with TD.

Original languageEnglish (US)
Pages (from-to)113-118
Number of pages6
JournalPediatric Physical Therapy
Issue number2
StatePublished - Dec 1 2015

All Science Journal Classification (ASJC) codes

  • Pediatrics, Perinatology, and Child Health
  • Physical Therapy, Sports Therapy and Rehabilitation


  • activities of daily living
  • child
  • disability evaluation
  • exercise test/methods
  • female
  • humans
  • male
  • motor skills
  • reproducibility of results

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