نتایج جستجو برای: cognitive abilities
تعداد نتایج: 288130 فیلتر نتایج به سال:
BACKGROUND We examined whether changes in metabolic factors over 10 years were associated with cognitive performance. METHODS Participants from the Multi-Ethnic Study of Atherosclerosis were followed since baseline (2000-2002) with five clinical examinations. At exam 5 (2010-2012), they received a short cognitive battery (Cognitive Abilities Screening Instrument [CASI], Digit Symbol Coding [D...
Assessment of test bias is important to establish the construct validity of tests. Assessment of differential item functioning (DIF) is an important first step in this process. DIF is present when examinees from different groups have differing probabilities of success on an item, after controlling for overall ability level. Here, we present analysis of DIF in the Cognitive Assessment Screening ...
OBJECTIVE To ascertain young people's perceptions of an adolescent health survey when administered by multimedia computer assisted self-administered Interview (M-CASI) through analysis of (1) questionnaire item responses and (2) focus group interviews. METHODOLOGY SETTING Auckland, New Zealand, 1999. STUDY TYPE Pilot testing of a 488-item branching questionnaire delivered using a youth-o...
OBJECTIVES To compare the data quality, logistics, and cost of a self-administered sexual behavior questionnaire administered either using a computer-assisted survey instrument (CASI) or by paper and pencil in a primary care clinic. STUDY DESIGN AND SETTING A self-administered sexual behavior questionnaire was administered to 16-29 year olds attending general practice. Questionnaires were adm...
A characteristic spectral emission is observed in vegetation chlorophyll under excitation by solar radiation. This emission, known as solar-induced chlorophyll fluorescence, occurs in the red and near infra-red spectral regions. In this paper a new methodology for the estimation of solar-induced chlorophyll fluorescence from spaceborne and airborne sensors is presented. The fluorescence signal ...
It is widely accepted that abilities are a meaningful level of abstraction for distinguishing among individuals with respect to their levels of cognitive functioning. However, relatively little is known about the extent to which different combinations of tests reflect the same cognitive abilities, or about the relation of cognitive abilities in one test battery with specific tests in another ba...
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