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EACOL (Scale of Evaluation of Reading Competence by the Teacher): evidence of concurrent and discriminant validity.

ABSTRACT: AIM:The study aimed to provide information about the concurrent and discriminant validation of the Scale of Evaluation of Reading Competence by the Teacher (EACOL), which is composed of 27 dichotomous items concerning reading aloud (17 items) and reading silently (10 items). SAMPLES:Three samples were used in this validation study. The first was composed of 335 students with an average age of 9.75 years (SD = 1.2) from Belo Horizonte (Minas Gerais State), Brazil, where the full spectrum of reading ability was assessed. The second two samples were from São Paulo city (São Paulo State), Brazil, where only children with reading difficulties were recruited. The first São Paulo sample was labeled "SP-screening" and had n = 617, with a mean age of 9.8 years (SD = 1.0), and the other sample was labeled "SP-trial" and had n = 235, with a mean age of 9.15 years (SD = 0.05). METHODS:Results were obtained from a latent class analysis LCA, in which two latent groups were obtained as solutions, and were correlated with direct reading measures. Also, students' scores on the Wechsler Intelligence Scale and on the Strengths and Difficulties Questionnaire tested the discriminant validation. RESULTS:Latent groups of readers underlying the EACOL predicted all direct reading measures, while the same latent groups showed no association with behavior and intelligence assessments, giving concurrent and discriminant validity to EACOL, respectively. CONCLUSION:EACOL is a reliable screening tool which can be used by a wide range of professionals for assessing reading skills.

SUBMITTER: Cogo-Moreira H

PROVIDER: S-EPMC3471598 | biostudies-literature | 2012

REPOSITORIES: biostudies-literature

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EACOL (Scale of Evaluation of Reading Competence by the Teacher): evidence of concurrent and discriminant validity.

Cogo-Moreira Hugo H Ploubidis George B GB de Ávila Clara Regina Brandão CR de Jesus Mari Jair J Pinheiro Angela Maria Vieira AM

Neuropsychiatric disease and treatment 20121011

<h4>Aim</h4>The study aimed to provide information about the concurrent and discriminant validation of the Scale of Evaluation of Reading Competence by the Teacher (EACOL), which is composed of 27 dichotomous items concerning reading aloud (17 items) and reading silently (10 items).<h4>Samples</h4>Three samples were used in this validation study. The first was composed of 335 students with an average age of 9.75 years (SD = 1.2) from Belo Horizonte (Minas Gerais State), Brazil, where the full sp ...[more]

PMID: 23091388

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Project description:BackgroundSedentary Behaviour (SB) gets an increasing attention from ergonomics and public health due to its associated detrimental health effects. A large number of studies record SB with ActiGraph counts-per-minute cut-points, but we still lack valid information about what the cut-points tell us about office work. This study therefore analysed the concurrent and discriminant validity of commonly used cut-points to measure SB, activity level, and posture.MethodsThirty office workers completed four office tasks at three workplaces (conventional chair, activity-promoting chair, and standing desk) while wearing two ActiGraphs (waist and wrist). Indirect calorimetry and prescribed posture served as reference criteria. Generalized Estimation Equations analysed workplace and task effects on the activity level and counts-per-minute, and kappa statistics and ROC curves analysed the cut-point validity.ResultsThe activity-promoting chair (p < 0.001, ES ≥ 0.66) but not the standing desk (p = 1.0) increased the activity level, and both these workplaces increased the waist (p ≤ 0.003, ES ≥ 0.63) but not the wrist counts-per-minute (p = 0.74) compared to the conventional chair. The concurrent and discriminant validity was higher for activity level (kappa: 0.52-0.56 and 0.38-0.45, respectively) than for SB and posture (kappa ≤0.35 and ≤ 0.19, respectively). Furthermore, the discriminant validity for activity level was higher for task effects (kappa: 0.42-0.48) than for workplace effects (0.13-0.24).ConclusionsActiGraph counts-per-minute for waist and wrist placement were - independently of the chosen cut-point - a measure for activity level and not for SB or posture, and the cut-points performed better to detect task effects than workplace effects. Waist cut-points were most valid to measure the activity level in conventional seated office work, but they showed severe limitations for sit-stand desks. None of the placements was valid to detect the increased activity on the activity-promoting chair. Caution should therefore be paid when analysing the effect of workplace interventions on activity level with ActiGraph waist and wrist cut-points.

Dataset Information

EACOL (Scale of Evaluation of Reading Competence by the Teacher): evidence of concurrent and discriminant validity.

Publications

EACOL (Scale of Evaluation of Reading Competence by the Teacher): evidence of concurrent and discriminant validity.

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