Results 21 to 30 of about 13,509 (296)

Handedness is not a Unidimensional Trait

Cortex, 1986
Most theories about the inheritance of hand preference assume that handedness is a unidimensional trait which forms a continuous distribution. This paper demonstrates that sampling a wide range of manual activities reveals dimensions of hand preference that are independent. 180 right handed and 110 left handed adults indicated their hand preference for
J M, Healey, J, Liederman, N, Geschwind
openaire   +2 more sources

Evaluation of the Psychometric Properties of the Internet Addiction Test (IAT) in a Sample of Cypriot High School Students: The Rasch Measurement Perspective

Europe's Journal of Psychology, 2012
As Greek Cypriot senior high school teachers, the researchers believe that instruments assessing Internet addiction should be developed and validated for use wherever there are adolescents (the most at-risk population) and Internet access. The purpose of
Panayiotis Panayides, Miranda Jane Walker   +1 more
doaj   +1 more source

Modeling unidimensional categorization in monkeys [PDF]

Learning & Behavior, 2006
The categorization performance of monkeys on a unidimensional perceptual categorization task was examined with reference to decision bound and exemplar theories of categorization. Three rhesus monkeys were presented with stimuli varying along a single dimension, the displacement of a target light from a fixation point.
Farrell, SA, Ratcliff, R, Cherian, A, Segraves, M   +3 more
openaire   +3 more sources

Establishing the cut-off scores for the severity ranges of schizophrenia on the BPRS-6 scale: findings from the REAP-AP

Psychiatry and Clinical Psychopharmacology, 2019
Objective: Using data from the Research on Asian Psychotropic Prescription Patterns for Antipsychotics (REAP-AP), our study aimed to establish the remission and severity ranges (mild, moderate, and severe) of schizophrenia on the Brief Psychiatric Rating
Seon-Cheol Park, Eun Young Jang, Kiwon Kim, Hoseon Lee, Joonho Choi, Amitava Dan, Arshad Hussain, Andi Jayalangkara Tanra, Takahiro A. Kato, Kok Yoon Chee, Sih-Ku Lin, Chay Hoon Tan, Afzal Javed, Norman Sartorius, Naotaka Shinfuku, Yong Chon Park   +15 more
doaj   +1 more source

Rasch Measurement in Language Research: Creating the Foreign Language Classroom Anxiety Inventory

Europe's Journal of Psychology, 2014
The purpose of this study was to construct a new scale for measuring foreign language classroom anxiety (FLCA). It begun with the creation of an extended item pool generated by qualitative methods.
Miranda J. Walker, Panayiotis Panayides
doaj   +1 more source

Coefficient Alpha

Europe's Journal of Psychology, 2013
Heavy reliance on Cronbach’s alpha has been standard practice in many validation studies. However, there seem to be two misconceptions about the interpretation of alpha.
Panayiotis Panayides
doaj   +1 more source

Development of a Performance-Based Measure of Executive Functions in Patients with Schizophrenia. [PDF]

PLoS ONE, 2015
A performance-based measure for assessing executive functions (EF) is useful to understand patients' real life performance of EF. This study aimed to develop a performance-based measure of executive functions (PEF) based on the Lezak model and to examine
En-Chi Chiu, Shu-Chun Lee, Chian-Jue Kuo, For-Wey Lung, I-Ping Hsueh, Ching-Lin Hsieh   +5 more
doaj   +1 more source

The Use Of Cronbach Alpha Reliability Estimate In Research Among Students In Public Universities In Ghana.

African Journal of Teacher Education, 2017
This study examines the use of Cronbach alpha reliability estimate in research among university students in Ghana. An exploratory research design was employed in the study.
Frank Quansah
doaj   +1 more source

Latent variable unidimensionality.

, 2019
Latent variable unidimensionality.
Jessica P. Hekman (7535021), Alexandra Protopopova (680673), Nathaniel J. Hall (7535012), Kelsea M. Brown (7535015), Allison S. Andrukonis (7535018)   +4 more
core   +1 more source

Rasch validation of a new scale to measure dependency in arm use in daily life: the Upper Limb Lucerne ICF-based Multidisciplinary Observation Scale

Frontiers in Neurology, 2023
IntroductionAbout 77% of adults with stroke have upper limb impairments. Many scales are available to measure the impairment and activity level of the affected limb. However, an observational scale to assess dependency on others in upper limb performance
Ann Van de Winckel, Beatrice Ottiger, Janne Marieke Veerbeek, Thomas Nyffeler, Thomas Nyffeler, Thomas Nyffeler, Tim Vanbellingen, Tim Vanbellingen   +7 more
doaj   +1 more source