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Rescorla, Leslie A.; Ginzburg, Sofia; Achenbach, Thomas M.; Ivanova, Masha Y.; Almqvist, Fredrik; Begovac, Ivan; Bilenberg, Niels; Bird, Hector; Chahed, Myriam; Dobrean, Anca; Dopfner, Manfred; Erol, Nese; Hannesdottir, Helga; Kanbayashi, Yasuko; Lambert, Michael C.; Leung, Patrick W. L.; Minaei, Asghar; Novik, Torunn S.; Oh, Kyung-Ja; Petot, Djaouida; Petot, Jean-Michel; Pomalima, Rolando; Rudan, Vlasta; Sawyer, Michael; Simsek, Zeynep; Steinhausen, Hans-Christoph; Valverde, Jose; van der Ende, Jan; Weintraub, Sheila; Metzke, Christa Winkler; Wolanczyk, Tomasz; Zhang, Eugene Yuqing; Zukauskiene, Rita; Verhulst, Frank C. – Journal of Clinical Child and Adolescent Psychology, 2013
We used population sample data from 25 societies to answer the following questions: (a) How consistently across societies do adolescents report more problems than their parents report about them? (b) Do levels of parent-adolescent agreement vary among societies for different kinds of problems? (c) How well do parents and adolescents in different…
Descriptors: Foreign Countries, Adolescents, Parents, Reliability
Bjornsdottir, Gyda; Halldorsson, Jonas G.; Steinberg, Stacy; Hansdottir, Ingunn; Kristjansson, Kristleifur; Stefansson, Hreinn; Stefansson, Kari – Journal of Learning Disabilities, 2014
This article describes psychometric testing of an Icelandic adaptation of the "Adult Reading History Questionnaire" (ARHQ), designed to detect a history of reading difficulties indicative of dyslexia. Tested in a large and diverse sample of 2,187 adults, the Icelandic adaptation demonstrated internal consistency reliability (Cronbach's…
Descriptors: Foreign Countries, Questionnaires, Reading Difficulties, Dyslexia
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Sigurdsson, Valdimar; Menon, R. G. Vishnu; Sigurdarson, Johannes Pall; Kristjansson, Jon Skafti; Foxall, Gordon R. – Psychological Record, 2013
An e-mail marketing experiment based on the behavioral perspective model was conducted to investigate consumer choice. Conversion e-mails were sent to two groups from the same marketing database of registered consumers interested in children's books. The experiment was based on A-B-A-C-A and A-C-A-B-A withdrawal designs and consisted of sending B…
Descriptors: Marketing, Electronic Mail, Consumer Economics, Purchasing
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Juliusdottir, Gudlaug M.; Olafsdottir, Hrefna – Research on Social Work Practice, 2015
Purpose: An analysis of the psychometric properties of an Icelandic version of McMasters Family Assessment Device (FAD) was conducted in this study. Method: Two groups, clinical and nonclinical, comprising of 529 parents answered the FAD. The study examined the internal reliability and discriminant validity of the instrument in addition to…
Descriptors: Foreign Countries, Psychometrics, Parent Attitudes, Validity
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Einarsdottir, Johanna; Ingham, Roger – International Journal of Language & Communication Disorders, 2009
Background: Clinicians rely on parents to provide information regarding the onset and development of stuttering in their own children. The accuracy and reliability of their judgments of stuttering is therefore important and is not well researched. Aim: To investigate the accuracy of parent judgements of stuttering in their own children's speech…
Descriptors: Interrater Reliability, Intervals, Stuttering, Parent Attitudes