San Diego State University

About: San Diego State University is a education organization based out in San Diego, California, United States. It is known for research contribution in the topics: Population & Poison control. The organization has 12418 authors who have published 27950 publications receiving 1192375 citations. The organization is also known as: SDSU & San Diego State College.

Effects of social support from various sources on depression in elderly persons.

Abstract: Although global measures of social support demonstrate significant effects on psychological and physical well-being, the differential significance of various support sources is largely unknown. The present study examines differences in the effects of functional expressive support by source on depressive symptoms. This approach is contrasted with network interaction studies of elderly persons, which do not measure functional support but do suggest that friends are distinctly significant. Spouse, friends, and adult children were found to rank in descending order of importance; relatives show no effect. Low support may have stronger effects than unavailability of sources. Effects of supports and stressors are not conditioned by age, sex, or widowhood. Implications of findings and further research needs are discussed.

Predictors of assistive technology use: the importance of personal and psychosocial factors.

Abstract: Objective. To validate an assistive technology (AT) baseline and outcomes measure and to quantify the measure's value in determining the best match of consumer and AT considering consumer ratings of their subjective quality of life, mood, support from others, motivation for AT use, program/therapist reliance, and self-determination/self-esteem.Design. Prospective multi-cohort study.Setting. Vocational rehabilitation offices and community.Participants. Over 150 vocational rehabilitation counselors in 25 U.S. states with one consumer each receiving new AT.Interventions. Counselor training in the Matching Person and Technology (MPT) Model and consumer completion of the MPT measure, Assistive Technology Device Predisposition Assessment (ATD PA).Main outcome measures. Total and subscale scores on the ATD PA as well as counselor-completed questionnaires.Results. ATD PA items differentiated consumer predispositions to AT use as well as AT and user match. There were no significant differences due to gender, physi...

Helping English Learners Increase Achievement Through Inquiry-Based Science Instruction

Abstract: This study summarizes the results of a four-year project in science education conducted in a rural setting with English learners in grades K–6 in the El Centro Elementary School District in southern California. Data were collected to measure student achievement in science, writing, reading, and mathematics for participating students. These data were analyzed relative to the number of years that students participated in kit- and inquiry-based science instruction that included the use of science notebooks. Results indicated that the achievement of English learners increased in relation to the number of years they participated in the project. The longer they were in the program, the higher their scores were in science, writing, reading, and mathematics.

Evidence for non-Fermi liquid behavior in the Kondo alloy Y1-xUxPd3.

Abstract: We present measurements of electrical resitivity \ensuremath{\rho}(T), specific heat C(T), entropy S(T), and magnetic susceptibility \ensuremath{\chi}(T) as functions of temperature T for the alloy system ${\mathrm{Y}}_{1\mathrm{\ensuremath{-}}\mathit{x}}$${\mathrm{U}}_{\mathit{x}}$${\mathrm{Pd}}_{3}$. For x=0.2, \ensuremath{\rho}(T)/\ensuremath{\rho}(0) is almost linear in T for 0.2\ensuremath{\le}T\ensuremath{\le}20 K, and C(T)/T\ensuremath{\sim}-ln(\ensuremath{\alpha}T) for 0.6T16 K. Also, the added molar entropy per U, \ensuremath{\Delta}S(T)-\ensuremath{\Delta}S(0) appears to saturate to (R/2)ln(2), suggesting that \ensuremath{\Delta}S(0)\ensuremath{\approxeq}(R/2)ln(2). We argue that our data provide comprehensive evidence in a dilute alloy for the two-channel quadrupolar Kondo effect (${\mathit{T}}_{\mathit{K}}$\ensuremath{\approxeq}42 K) with concomitant ``marginal Fermi liquid'' phenomenology.