title: Construct and Concurrent Validity of the Democritos Movement Screening Tool for Preschoolers.
abstract: OBJECTIVE
  To examine the construct and concurrent validity of the Democritos Movement Screening Tool for Preschool Children (DEMOST-PRE).
  
  
  METHODS
  The DEMOST-PRE was administered to 435 Greek children, aged 48 to 71 months. Construct validity was investigated through correlations between total scores and individual item scores, and scores according to age and sex, whereas concurrent validity was checked by using the Bruininks-Oseretsky Test of Motor Proficiency-Long Form as the test-criterion on a subsample of 50 children.
  
  
  RESULTS
  Moderate to strong, significant correlations (r = 0.390-0.831; P < .001) supported the internal consistency of the test. Age displayed a significant effect on children's scores, whereas sex did not. Furthermore, the intra-rater class coefficient calculated for concurrent validity was found to be 0.80.
  
  
  CONCLUSIONS
  On the basis of the aforementioned findings, the DEMOST-PRE has adequate psychometric properties for the Greek sample analyzed.
authors.affiliation: School of Physical Education and Sport Science (Dr Kambas), Democritus University of Thrace, Komotini, Greece; School of Physical Education and Sport Science (Dr Venetsanou), National Kapodistrian University of Athens, Athens, Greece.
authors.forename: Antonis
authors.initials: A
authors.lastname: Kambas
authors.forename: Fotini
authors.initials: F
authors.lastname: Venetsanou
mesh_terms: D000367:Age Factors; D002675:Child, Preschool; D005260:Female; D006115:Greece; D006801:Humans; D008297:Male; D009069:Movement Disorders / Q000534:rehabilitation*; D015588:Observer Variation; D026741:Physical Therapy Modalities; D011594:Psychometrics; D015203:Reproducibility of Results; D012737:Sex Factors