definition of test reliability and validity

... formattedPDF and full text (HTML) versions will be made available soon Health related quality of life of Iranian children with type 1 diabetes: reliability and validity of the Persian version of the ... results of convergent, discriminant and internal consistency were not reported by age group Because of this, we cannot be sure of the external validity of self- and proxy-reports for the children of ... restrictions on physical, emotional and social functioning of children and adolescents One of the international tools for assessment of HRQOL of children is the Pediatric Quality of Life Inventory (PedsQL)

Ngày tải lên: 20/06/2014, 15:20

... worry about all sorts of life problems and cir-cumstances and symptoms of depression which cover a very wide range of problems, from short periods of low mood to a lifetime of mind-numbing inability ... deprivation and disability, Education, skills and training deprivation, Barriers to housing and ser-vices, Living environment deprivation and Crime) A rank of 1 is assigned to the most deprived area and ... construct validity the total ZDS scores were correlated with sense of control, SES measures and gen-der differences were tested using chi-square test Confir-matory factor analysis was used to test

Ngày tải lên: 11/08/2014, 16:22

... description, synthesis and critique of the reliability and validity of MMT in the evaluation of the musculoskeletal and nervous systems Methods Online resources were searched including Pubmed and CINAHL ... the foot and great toe, quadriceps weakness, and peroneal muscle tests are each indicative of the status of the sciatic nerve and its branches [88,89] To test the construct validity of these ... extremity tested and for standardization of joint position Throughout its history manual muscle testing has been performed by practition-ers' hands, isokinetic machines, and other handheld devices

Ngày tải lên: 13/08/2014, 14:20

... between 0 and 0.38% for items 1, 4, and 5, and between 0.24% and 1.61% for items 2 and 3 For parents, missing values for the morning and evening ratings (items 1 and 4) were between 0 and 0.25% of all ... moderate to good test-retest reliability within a period of two weeks Validity Agreement between patient, parent and physician perspectives over time (convergent validity) The courses of the mean ... correlations were provided Test-retest reliability of the GIPD total score was checked by comparing weeks 6 and 8 in terms of Spearman's correlation coefficient for the items and Pearson's correlation

Ngày tải lên: 13/08/2014, 18:21

... flourishing and positive and negative feelings Soc Indic Res 2010;97(2):143 –56. 26 Sumi K Reliability and validity of Japanese versions of the flourishing scale and the scale of positive and negative ... 73], and item 18: 65, 95% CI [.47, 77] Discussion This study aimed to develop and verify the reliability and validity of MHSQ-J The results indicated adequate internal consistency, test-retest reliability, ... strong, while 20–.40 and < 20 were considered weak and poor correlations, respectively Reliability of MHSQ-J To evaluate reliability, internal consistency and test-retest reliability were calculated

Ngày tải lên: 10/01/2020, 12:52

... did not have any role in the design of the study and collection, analysis, and interpretation of data and in writing the manuscript. Availability of data and material Data are available upon ... Tyndel et al [24], and B11, B13 and B14 from Strong et al [25] B8 and B9 were developed specific to the context of the German mammography screening programme, and finally B3, B4 and B6 stem from ... discriminates between high and low scor-ers and is calculated as corrected item scale correlation Discrimination indices of< 30 were considered low, of .30−.50 medium, and of > 50 high For item

Ngày tải lên: 10/01/2020, 13:20

... which explore the reliability and convergent and discriminant validity of this alcohol response index Methods: Young men with and without a multigenera-tional family history of alcoholism were ... second study of this series of studies will examine the reliability of alcohol-induced HR across a 2-week test-retest period within an experimental design that will allow for assessment of HR at ... before and at various points after con-sumption of a 1.0 ml/kg dose of alcohol, which provided an occasion to examine the validity of HR as a measure of sensitivity to the stimulant properties of

Ngày tải lên: 12/10/2022, 16:06

... internal consistency reliability of the scale was measured by the Cronbach alpha coefficient, the test-retest reliability, and the corrected item-total cor-relation The validity of the scale was ... chinese version of AAUSES has good reliability Reliability analysis reflects the stability of the structure of the scale being measured [69] The reliability of the Fig 1 Screen plot of exploratory ... RMSEA and SRMR < 0.08 [63], and a GFI, CFI and an IFI > 0.90 [64] is considered acceptable Content validity Content validity index (CVI) was used to evaluate the content validity of the

Ngày tải lên: 29/11/2022, 00:15

... following the cultural and linguistic adaptation are presented in Table2 Phase 2—Reliability and Validity Test of the Portuguese Version of the STQ Participants For reliability and validity assessment, ... cultural and linguistic adaptation of the STQ to Portuguese; (phase 2) a reliability and validity test of the version obtained in the first phase Permission to carry out the translation and validation ... perception of touch behavior by a friend of the same or opposite sex (Andersen and Leibowitz1978) The aim of the current research was thus to produce a valid and reliable European Portuguese version of

Ngày tải lên: 04/12/2022, 16:09

... demonstrate preliminary test-retest and internal consistency reliability and construct validity of the PedsQL™ Present Functioning VAS instrument for both pediatric patient self-report and parent proxy-report. ... item and scale level, with the standard deviations exceeding the mean for a number of the individual VAS scores, suggesting consid- erable individual differences. Test-retest reliability Test-retest ... test-retest and internal consistency reliability and construct validity of the Ped- sQL™ Present Functioning Visual Analogue Scales for anx- iety, sadness, anger, worry, fatigue and pain. Most test-

Ngày tải lên: 20/06/2014, 16:20

... they will show a mixture of true change and the influence of retest unreliability (i.e., transient and random measure-ment errors) [17] Therefore, statistical estimations of true stability require ... evaluated test-retest reliability of instruments used to measure those characteristics When stability is addressed, it is often confused, even equated, with reliability The true stabi-lity of a phenomenon ... stability and instrument test-retest reliability True stability focuses on real changes in the phenomenon, and is therefore more interesting from a theoretical viewpoint The weakness of any observed

Ngày tải lên: 13/08/2014, 18:21

... Choices of approach 5 4.1 General 5 4.2 Choices of evaluation approach 6 4.3 Choices of expression and use of measurement uncertainty 7 5 The component approach to the evaluation of operational ... evaluation of subsampling variance 35 Annex I (normative) Relative repeatability and intralaboratory reproducibility of volume measurements 38 Annex J (normative) Relative uncertainty of a sum of test ... statement is understandable against its background of chemical analysis In chemical analyses the uncertainty of the analytical procedure and the uncertainty of the final result of analysis are usually

Ngày tải lên: 27/06/2017, 13:07

... the tests of struc-ture validity, criterion-related validity and discriminant validity Criterion-related validity of the eHCI was con-ducted by calculating its correlations with other metrics of ... calculated to assess the test-retest reliability The ICC and paired t-test were calculated separately to assess the agreement and difference of eHCI scores rated by parents and teacher To validate ... evaluated the internal consistency, test-retest reliability, inter-rater reliability, factor structure, criterion-related validity, and discriminant validity of the eHCI in 20,324 preschool children

Ngày tải lên: 29/07/2020, 23:22

... Reliability and Maintenance Purpose of the Lift Reliability and Maintenance Assessment II-1Overview of the Lift Reliability and Maintenance Assessment II-3Observations of Lift Reliability and Maintenance ... rail/subway, and commuter rail service Part II describes the results of the Assessment of Lift Reliability and Maintenance for fixed route bus services and includes a review of elevator reliability and ... Trang 3Overview of the Assessment Report iOverview of the System iv PART I: Assessment of Stop Announcement and Route Identification Efforts Purpose of the Stop Announcement and Route Identification

Ngày tải lên: 19/10/2022, 02:29

... Conclusion Findings of this study provide evidence of internal consist- ency reliability and construct validity of the PLA as a measure of one aspect of quality of life for children and adolescents ... evaluation of face and content valid- ity; and preliminary cross-group comparison of scores based on sex, race, socioeconomic groupings, and severity of illness ratings. Face and content validity of ... life activities and severity of illness with statistically sig- nificant correlation and path coefficients. Psychometric and clinimetric evaluation using test-retest and pre- to post-test assessment

Ngày tải lên: 18/06/2014, 22:20

... structure of the scales Reliability was assessed from analyses of internal consist-ency using Cronbach'sα, inter-rater agreement, and tem-poral stability (test retest reliability) for which test-retest ... scores, bandings and cut-offs for normal, borderline and abnormal scores Reliability was assessed from analyses of internal consistency, inter-rater agreement, and temporal stability Structural validity, ... UK and whilst its reliability and validity have been replicated in several countries important cross cultural issues have been raised We describe normative data, reliability and validity of the

Ngày tải lên: 13/08/2014, 18:21

... system, and vice versa Degree of standardization of the PIR-GAS The value of any classification or scoring system can be expressed by its reliability and validity, with replicability and precision ... functioning level, level of distress and adaptive flexibility in both the child and the parent; level of conflict and resolution between the child and the parent; effect of quality of the relationship ... of the test-retest reliability of the PIR-GAS within a time span of 3 to 12 months Binary outcomes (PIR-GAS <40 and >40) were compared. The inter-rater agreement was 100% (kappa = 1), and

Ngày tải lên: 14/01/2020, 19:13

... Unlike the case of racial attitudes, indicators of explicit and implicit candidate preference have the same distribution and are highly correlated Our criterion of predictive validity is reduced ... consisting of a pair of targets (e.g., African American and European American) and a pair of attributes (e.g., good and bad) These category labels are displayed on either the left or right side of the ... explicit and implicit anti-black attitudes Explicit and implicit evaluations of the 2008 presidential candidates, on the other hand, proved much more consistent on both mean levels of preference and

Ngày tải lên: 12/10/2022, 13:16

... achievement of students Method In this chapter, process of population and sample, the adaptation of the scale, reliability and validity are described Population and Sample 1610 students of Gaziantep ... to test the Cronbach alpha coefficient and stability (Kılıçer and Odabasi, 2010) SPSS 20 and LISREL 8,7 (Jöreskog and Sorbo, 1996) programs were used for the validity and reliability analysis of ... Findings Findings Related to Reliability In this study, reliability of CCS has been examined by calculating Cronbach alpha coefficient and reliability of test-retest coefficient Cronbach Alpha's

Ngày tải lên: 21/10/2022, 18:08

... result of the Kai-ser–Meyer–Olkin test and Bartlett’s Test of Sphericity Kaiser–Meyer–Olkin test of sampling suitability for factor analysis resulted in a value of 0.686 while the result of significant ... Cronbach’s Alpha and test–retest reliability (Intraclass correlation coefficient (ICC), Kappa coeffi-cient) after an interval of two weeks Cronbach’s Alpha is often implemented as a reliability test [34] ... between the test and re-test This questionnaire has strong validity and reliability that can be used to measure high school student’s knowledge, attitude, and practice about exercise and their

Ngày tải lên: 31/10/2022, 04:05