Maximum-corrected and chance-corrected measures of effect size for the Mantel-Haenszel test

Two measures of effect size are described for the Mantel-Haenszel test. Both measures belong to the r-family of effect size measures. One measure is based on a maximum-corrected model, and the second measure is based on a chance-corrected model.     

Doomed to Read in a Second Language: Implications for Learning

The aim of the study was to elucidate whether and how reliance on a second language impacts the learning of new information under very basic learning conditions. The paradigm used to investigate this issue required individuals to learn a series of associations between numerals and particular letter strings. Participants were two groups of university students: (1) individuals for whom spoken Hebrew was the mother tongue and written Hebrew a primary orthography (L1 group), and (2) individuals for whom Hebrew, both spoken and written, was a second language (L2 group). Data were collected under two conditions. In the language-dependent condition (LDC), the paradigm required learning associations between eight numerals and the letter strings of eight familiar Hebrew words. In the language-independent condition (LIC), it required learning associations between eight numerals and eight random letter strings in Hebrew. Results suggest that learners may be significantly disadvantaged when compelled to learn new information mediated in a second language. This disadvantage appears to manifest itself at a very basic learning level and in instances where new information is mediated by language that is fairly overlearned by the L2 learner.     

The role of inhibition in the production of disfluencies

Disfluency is a common occurrence in speech and is generally thought to be related to difficulty in the production system. One unexplored issue is the extent to which inhibition is required to prevent incorrect speech plans from being articulated. Therefore, we examined disfluency production in participants with attention-deficit/ hyperactivity disorder (ADHD), which is linked to deficits in inhibitory function and response suppression (Nigg, 2001). Participants completed a sentence production task in which they were presented with two pictures and a verb and their task was to produce a sentence. If inhibition plays a role in preventing incorrect speech plans, we would expect ADHD participants to produce more repetition and repair disfluencies than would non-ADHD controls. The results showed that one subtype of ADHD (i.e., the combined) produced more repair disfluencies as task demands increased. We conclude that the production system relies on inhibitory control in order to prevent errors in language production.     

ON THE WHAT‐IT‐IS‐LIKE‐NESS OF EXPERIENCE

It is common for philosophers to hold that experience can be characterized in a basic way as being something it is like for someone to undergo. In the paper it is argued that when this slogan is examined it is in some respects trivial and in others mistaken. It is concluded that the slogan should be abandoned.     

Covariation of self‐ and other‐directed aggression among inpatient youth: continuity in the transition to treatment and shared risk factors

Although other‐ and self‐directed aggression covary in very high‐risk youth, these forms of aggression infrequently are studied simultaneously. Understanding better their covariation is an important task for improving services to high‐risk youth. In this study, data from the clinical records of 476 youth admitted to secure inpatient treatment were analyzed to examine relations among self‐ and other‐directed aggression exhibit before and during inpatient treatment. Analyses tested the hypotheses that self‐ and other‐directed aggression would tend to covary and display continuity from pre‐treatment to in‐treatment. Also tested were the hypotheses that youth with histories of co‐occurring self‐ and other‐directed aggression would show the highest levels of aggression during treatment and the greatest degree of personal and contextual risk on entering treatment. These hypotheses were largely supported. Exploratory analyses revealed interesting discontinuities in aggression (aggression emitted only before or during treatment) with critical implications for research and practice with youth receiving clinical care, especially those in institutional placements. Aggr. Behav. 36:205–217, 2010. © 2010 Wiley‐Liss, Inc.     

Characterisation of magnesium oxide and its interface with α-Mg in Mg–Al-based alloys

Magnesium oxide (MgO) films and particles have been collected by pressurised filtration of a Mg-8.6wt%Al-0.67wt%Zn (AZ91D) alloy melt. The morphology of the oxides and their interfaces with the α-Mg phase were investigated by high-resolution transmission electron microscopy. It was found that the oxide films consisted of large numbers of sub-micrometre-sized MgO particles, and that melt shearing can effectively break up the oxide films and disperse the oxide particles. For the first time, orientation relationships (ORs) of OR I: [1?1?1]_MgO～2° from (0?0?0?1)_α-Mg and (0?1?1)_MgO?//[2?1?1?0)_α-Mg; and OR II: (1?1?1)_MgO//(1?1?0?1)_α-Mg and [0?1?1]_MgO//[1?2?1?1]_α-Mg, were observed between the MgO particles and the α-Mg matrix. The calculated Bramfitt planar disregistries were 5.5% and 2.5% for the two ORs, respectively, indicating good lattice matching between MgO and α-Mg at the interface. With the evidence of grain refinement effect observed in the sheared AZ91D magnesium alloy, the possibility of MgO particles to act as potent nucleants for heterogeneous nucleation of α-Mg grains is discussed in terms of the crystallographic criterion.     

A pilot exploration of the use of compassionate images in a group of self‐critical people

Self‐criticism has long been associated with a variety of psychological problems and is often a key focus for intervention in psychotherapy. Recent work has suggested that self‐critics have underelaborated and underdeveloped capacities for compassionate self‐soothing and warmth. This pilot study developed a diary for monitoring self‐attacking and self‐soothing thoughts and images. It also explored the personal experiences of a group of volunteer self‐critics from the local depression support group who were given training in self‐soothing and self‐compassion. Although using small numbers, this study suggests the potential value of developing more complex methodologies for studying the capacity for self‐compassion, interventions to increase self‐compassion (including imagery techniques), and their effects on mental health.