Developing Pairwise Preference-Based Personality Test and Experimental Investigation of Its Resistance to Faking Effect by Item Response Model

Recent years have shown increased awareness of the importance of personality tests in educational, clinical, and occupational settings, and developing faking-resistant personality tests is a very pragmatic issue for achieving more precise measurement. Inspired by Stark (2002) and Stark, Chernyshenko, and Drasgow (2005), we develop a pairwise preference-based personality test that aims to measure multidimensional personality traits using a large-scale statement bank. An experiment compares the resistance of the developed personality test to faking with that of rating scale-based personality tests in the item response theory model framework. Results show that latent traits estimated from the personality test based on the rating scale method are severely biased, and that faking effect can be pragmatically ignored in the personality test developed based on the pairwise preference method.     

Self‐esteem,perception of relationships,and emotional distress: A cross‐cultural study

This study examined the relative importance of self‐esteem, family cohesion, and support from friends in predicting depressed mood and anxiety in Japanese and American college students. Contrary to expectations, self‐esteem was the strongest predictor of emotional distress in both groups of students. Nevertheless, consistent with predictions derived from Markus and Kitayama's theory of self‐construals, family cohesion accounted for a significantly larger percentage of the variance in predicting emotional distress in Japan than in the United States. In both countries, the relations between support from friends and the measures of emotional distress were entirely mediated by self‐esteem. However, among Japanese students, family cohesion accounted for additional significant variance in predicting the measures of emotional distress, even after controlling for self‐esteem.     

Homeostatic interactions: a longitudinal study of biological, psychosocial and family variables in children with cystic fibrosis

A two-Year longitudinal study of thirty-five children used data gathered from pulmonary function tests, clinical measurements and standardized tests of depression, self-esteem and family environment to illustrate homeostatic interactions among biological and psychosocial adaptation to cystic fibrosis. Despite physical deterioration over the course of the study, children with cystic fibrosis reported lower depression and higher self-esteem than population norms, and improvements in psychological functioning. Decline in biological indicators of health was associated with increases on an index based on Family Environmental Scales (FES), subscales of cohesion, expressiveness and organization, and maintenance of high self-esteem and low depression. Presence of additional major life stressors was associated with deterioration in pulmonary function, higher levels of depression and poorer scores on the FES. These findings suggest that homeostatic interactions between children's health status and family functioning may moderate the physical and psychological sequelae of cystic fibrosis.     

Adolescents with Down syndrome exhibit greater force and delay in onset of tapping movements

This study examined the control of force and timing during finger tapping sequences of adolescents with Down syndrome. Participants performed both unimanual and bimanual tapping tasks with one self-paced test trial after three audible-synchronized practice trials with concurrent feedback of force output. All tasks consisted of a target force of 2N and a target intertap interval of 500 msec. Adolescents with Down syndrome exhibited a greater magnitude of positive constant error and variable error for peak force than typical adolescents. They also exhibited a greater magnitude of negative constant error and variable error for intertap interval than typical adolescents. Although normally developing comparison adolescents exhibited a linear relationship between peak force and press duration or time-to-peak force, the relationship was not familiar to adolescents with Down's syndrome. This may suggest differences in the manner of motor unit recruitment between the group with Down's syndrome and comparison adolescents.     

A new stable icosahedral quasicrystal in the Cd-Mg-Dy system

A new stable icosahedral quasicrystal has been found in annealed Cd-Mg-Dy alloys. The composition of the icosahedral phase was determined to be approximately Cd₆₆Mg₂₁Dy₁₃. Powder X-ray and electron diffraction patterns revealed that the phase has a primitive icosahedral lattice with a quasilattice parameter a_R = 0.5634 nm. The electron diffraction study confirmed that the phase has a well ordered primitive icosahedral structure.     

Phenomenological model of variant change during magnetization of martensite

The present study deals with the straining of ferromagnetic martensite in a magnetizing field. A phenomenological model of the movement of the interface between martensitic variants is developed for calculation of the strength of the magnetic field required for a variant change. The effect of uniaxial stress on interface movement is also examined. The results are applied to the martensite phases of NiMnGa and FePd ferromagnetic shape-memory alloys.     

Polytypes of long-period stacking structures synchronized with chemical order in a dilute Mg–Zn–Y alloy

A series of structural polytypes formed in an Mg–1 at.%Zn–2 at.%Y alloy has been identified, which are reasonably viewed as long-period stacking derivatives of the hexagonal-close-packed Mg structure with alternate AB stacking of the close-packed atomic layers. Atomic-resolution Z-contrast imaging clearly revealed that the structures are long-period chemical-ordered as well as stacking-ordered; unique chemical order along the stacking direction occurs as being synchronized with a local faulted stacking of AB′C′A, where B′ and C′ layers are commonly enriched by Zn/Y atoms.