University of Colorado Colorado Springs

About: University of Colorado Colorado Springs is a education organization based out in Colorado Springs, Colorado, United States. It is known for research contribution in the topics: Population & Poison control. The organization has 6664 authors who have published 10872 publications receiving 323416 citations. The organization is also known as: UCCS & University of Colorado at Colorado Springs.

Heritability of personality disorders in childhood: a preliminary investigation.

Abstract: The heritability of personality disorder features was investigated in 112 child (ages 4-15 years) twin pairs (70 monozygotic and 42 dizygotic pairs). Parents assessed personality disorder features using the Coolidge Personality and Neuropsychological Inventory for Children (CPNI; Coolidge, 1998) that measures 12 personality disorders according to the criteria in the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) (American Psychiatric Association, 1994). Structural equation model-fitting methods indicated that the median heritability coefficient for the 12 scales was .75 (ranging from .81 for the Dependent and Schizotypal Personality Disorder scales to .50 for the Paranoid and Passive-Aggressive Personality Disorder scales). These results suggest that childhood personality disorders have a substantial genetic component and that they are similar to heritability estimates of personality disorder traits in adults and counter hypotheses that only temperaments and higher-order personality disorder traits have significant genetic components (Paris, 1997).

Characteristic Change Due to Polarization Fatigue of Sol-Gel Ferroelectric Pb(Zr0.4Ti0.6)O3 Thin-Film Capacitors

Abstract: We studied the fatigue characteristics of sol-gel ferroelectric Pb(Zr0.4Ti0.6)O3 (PZT) thin-film capacitors measuring hysteresis loops, time-zero current voltage characteristics and the dielectric constant after polarization switching. All evaluations were carried out on samples with certain switching cycles at the slow fatigue stage, logarithmic fatigue stage and saturated stage. Oxygen-deficient regions at the interfaces at both the top and bottom electrodes were formed after fatigue, as found by observing Auger electron spectroscopy (AES) depth profiles. Time-zero current-voltage (I-V) characteristics show that ohmic leakage current increased as the switching cycles increased during fatigue. This indicates that oxygen vacancies as donors arising during fatigue may compensate the lead vacancies as acceptors. The electric field dependence of Pr+-Pr- and that of the dielectric constant show that the motion of domains, which can move in the electric field near a coercive field, is suppressed after fatigue. We conclude that the oxygen vacancies suppress the domain motion and cause remanent polarization degradation. Since the biased-dielectric constant beyond 150 kV/cm showed no significant change after fatigue, it seems that no low-dielectric-constant regions adjacent to the electrode were generated during fatigue.

Dispersion-Composition Models in Multilevel Research: A Data-Analytic Framework

Abstract: Multilevel researchers have predominantly applied either direct consensus or referent-shift consensus composition models when aggregating individual-level data to a higher level of analysis. This p...

Interpersonal Politics The Role of Terror Management and Attachment Processes in Shaping Political Preferences

Abstract: Research on terror management theory (TMT) indicates that reminders of death affect political attitudes, but political orientation only sometimes moderates these effects. We propose that secure relationships are associated with values of tolerance and compassion, thus orienting people toward liberalism; insecure attachments are associated with more rigid and absolutist values that orient people toward conservatism. Given that attachment relationships become especially active when security needs are heightened, we predicted that mortality salience would be an important factor in understanding the relationship between attachment processes and political orientation. Supporting these ideas, Study 1 showed that after a mortality-salience manipulation, securely attached participants increased their support for a liberal presidential candidate, and less securely attached participants increased their support for a conservative presidential candidate. In Study 2, a secure-relationship prime following a mortality-salience manipulation engendered a less violent approach to the problem of terrorism than did a neutral-relationship prime. We discuss the interaction of TMT processes and individual differences in attachment in shaping political preferences.