OBJECTIVE Delayed sleep phase disorder (DSPD) is a condition in which patients often fall asleep some hours after midnight and have difficulty waking up in the morning. Circadian chronotype questionnaires such as Horne-Östberg Morningness-Eveningness Questionnaire (MEQ) and Basic Language Morningness (BALM) scale have been used for screening for DSPD. This study was to evaluate these two chrono...

Objective: According to the declarative/procedural model, the semantic aspect of language depends on the brain structures responsible for declarative memory. The word pairs task is a common tool for evaluating declarative memory. The current study aimed to design a valid and reliable task for evaluating declarative memory in Persian children at learning and retention stages and to investigate i...

INTRODUCTION The American Shoulder and Elbow Surgeons Standardized Shoulder Assessment Form (ASES), often used in research in Brazil, although translated and adapted to the Portuguese language, had not had its validity and reliability tested yet. OBJECTIVE To assess the validity, reliability, and internal consistency of the ASES-PT for shoulder dysfunction. MATERIALS AND METHODS Fifty indiv...

Background/aim: The most important issues in elder abuse and neglect are lack of awareness and difficulties in determining the situation. Our aim is to determine the reliability and validity of the Turkish version of the Hwalek-Sengstock Elder Abuse Screening Test (H-S/EAST).Materials and methods: The H-S/EAST (15-itemed, three-dimensional: direct abuse, characteristics of vulnerability, and po...

  Background: Visualattention is known as acritical base for learning.Thepurpose of the present study was to design, develop and evaluate the test-retest and internal consistency reliability as well as face, content and convergent validity of thecomputer- based selective visual attention test (SeVAT) for healthy first-grade school children.   Methods :In thefirst phase of this stud...

ba ck g r ou n d  & aim: nurses professional values are standards for action and provide a frame- work for evaluating behaviors. this paper is the report of a study designed to assess the psycho- metric  properties  of  the  turkish  version  of  the  nurses  professional  values  scale-revised (npvs-r). methods & materials: this methodological study was carried out a university hospital in izm...

Internal consistency reliability is the degree of correlation between a scale's items. Internal consistency is calculated by Kuder-Richardson's formula 20 for dichotomous choices and Cronbach's alpha for polytomous items. 0.70 to 0.90 internal consistency is acceptable. 5-25 participants are needed for each item when computing the internal consistency of a twenty-item scale. Internal consistenc...