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The alpha and the omega of scale reliability and validity
alpha omega scale reliability validity
2016/1/28
Health Psychologists using questionnaires rely heavily on Cronbach’s alpha as indicator of scale reliability and internal consistency. Cronbach’s alpha is often viewed as some kind of quality label: h...
The Reliability and Validity of the Persian Version of Sinonasal Outcome Test 22 (Snot 22) Questionnaires
Quality of Life Nasal Septal Questionnaires
2015/10/12
Background: The quality of life (QOL) is an important indicator for disease-severity classification and outcome measurement in obtaining treatment sinonasal diseases. The sinonasal outcome test 22 (SN...
Reliability and Validity Assessment of Mizaj Questionnaire: A Novel Self-report Scale in Iranian Traditional Medicine
Medicine Traditional Unani Temperament Questionnaires Reproducibility of Results
2015/10/12
Background: In Iranian Traditional Medicine, mizaj (temperament) plays a key role in preventive, therapeutic and lifestyle recommendations. A reliable self-reported scale for mizaj identification is c...
The Reliability and Validity of the Persian Version of Sinonasal Outcome Test 22 (Snot 22) Questionnaires
Quality of Life Nasal Septal Questionnaires
2015/9/30
Background: The quality of life (QOL) is an important indicator for disease-severity classification and outcome measurement in obtaining treatment sinonasal diseases. The sinonasal outcome test 22 (SN...
Strong Words or Moderate Words: A Comparison of the Reliability and Validity of Responses on Attitude Scales
Attitude Scales Reliabilty Validity
2013/2/21
A common assumption in attitude measurement is that items should be composed of strongly worded statements. The presumed benefit of strongly worded statements is that they produce more reliable and va...
Reliability and Validity of Japanese Revised Version of Reassurance-seeking Scale
reassurance-seeking reliability validity depression self-esteem
2009/4/13
This study investigated the reliability and validity of Japanese revised version of 12 item reassurance-seeking scale. In study 1, 123 undergraduates were asked to complete a questionnaire that includ...
Development of Metacognitive Beliefs about Worry Questionnaire and Investigation of Its Reliability and Validity
Masaru Kanetsuki Yoshinori Ito Kaneo Nedate
2009/4/3
The purpose of this study was to develop Metacognitive Beliefs about Worry Questionnaire. Factor analysis found two factors for metacognitive beliefs about worry: negative and positive. Cronbach's co...
Reliability and Validity of the Japanese Version of Paranoia Checklist
persecutory ideation Paranoia Checklist multi-dimensional assessment reliability validity
2009/4/2
The purpose of this study was to develop Japanese version of Paranoia Checklist (JPC), in order to assess persecutory ideation in a non-clinical population. One hundred and twenty undergraduates compl...
Assessing Health-Related Quality of Life in Children with Recurrent Headache: Reliability and Validity of the PedsQLTM 4.0 in a Pediatric Headache Sample
child headache disorders migraine quality of life tension headache
2008/4/8
Objective To evaluate the reliability and validity of a commonly used measure of health-related quality of life (HRQOL), the Pediatric Quality of Life Inventory (PedsQLTM 4.0), in a sample of children...
Reliability and Validity of the Asthma Trigger Inventory Applied to a Pediatric Population
emotions pediatric asthma stress trigger
2009/12/21
Objective To test the reliability and validity of the Asthma Trigger Inventory (ATI) applied to a pediatric population. Method Children with asthma (N = 272, 56% male, age 7–17) and their primary care...
Reliability and Validity of the Self-report Quality of Life Questionnaire for Japanese School-aged Children with Asthma (JSCA-QOL v.3)
asthma quality of life questionnaire reliability and validity school-aged children
2010/11/18
The present study showed that the JSCA-QOL v.3 is a reliable and valid measurement tool that can be used to appropriately assess QOL in school-aged children with asthma. As the JSCA-QOL v.3 can be eas...