Reducing AIDS-related stigma in developing countries: the importance of theory- and evidence-based interventions

In many developing countries persons living with HIV and AIDS experience strong stigma and discrimination, and AIDS-related stigma has an enormous negative impact on their social relationships, access to resources, and psychological well being. Moreover, AIDS-related stigma hampers HIV-related health promotion, including voluntary HIV counselling and testing. In this article, we will argue that programs to reduce AIDS-related stigma are most likely to be effective if these programs are based upon thorough needs assessments, theory- and evidence-based intervention strategies and collaborative planning. A protocol for health promotion programs design is outlined. Furthermore, psychosocial correlates of AIDS-related stigma in developing countries, social-psychological theories that might be useful in designing intervention strategies to reduce stigmatisation and successful elements of previous interventions aimed at stigma reduction are discussed. It is concluded that psychological theory does provide guidelines for the development of stigma-reducing intervention programs, but that such programs can only be effective when based upon context-specific needs assessment and collaborative planning.     

Automatic measurement of propositional idea density from part-of-speech tagging

The Computerized Propositional Idea Density Rater (CPIDR, pronounced "spider") is a computer program that determines the propositional idea density (P-density) of an English text automatically on the basis of part-of-speech tags. The key idea is that propositions correspond roughly to verbs, adjectives, adverbs, prepositions, and conjunctions. After tagging the parts of speech using MontyLingua (Liu, 2004), CPIDR applies numerous rules to adjust the count, such as combining auxiliary verbs with the main verb. A "speech mode" is provided in which CPIDR rejects repetitions and a wider range of fillers. CPIDR is a user-friendly Windows .NET application distributed as open-source freeware under GPL. Tested against human raters, it agrees with the consensus of two human raters better than the team of five raters agree with each other [r(80) = .97 vs. r(10) = .82, respectively].     

Development and validation of the cognitive style indicator

The authors describe the development and validation of the Cognitive Style Indicator (CoSI) using 3 diverse samples (N = 5,924; N = 1,580; and N = 635). Reliability, item, and factor analyses demonstrated the internal consistency and homogeneity of 3 cognitive styles: knowing, planning, and creating. The authors also found substantial support for the instrument's convergent and discriminant validity by including other cognitive style instruments and personality and academic performance measures in the validation process. Criterion-related validity was confirmed by examination of the relation between these cognitive styles and work-related characteristics. The main contributions of this study are (a) the further refinement of the analytic-intuitive cognitive style dimension by splitting the analytic pole in a knowing and a planning style and (b) the development of a valid and reliable cognitive style instrument for use in organizations.     

A Meta-Analysis of the Distinction between Reactive and Proactive Aggression in Children and Adolescents

The present meta-analytic review aimed to clarify divergent findings concerning the relation between reactive and proactive aggression in children and adolescents. Fifty-one studies with 17,965 participants were included in the analysis. A significant correlation between reactive and proactive aggression was found. The strength of this relation varied considerably between studies, from -.10 to .89. Observational assessment and tilt/noise tasks were associated with smaller correlations than questionnaires. Within the large group of questionnaire studies, studies disentangling the form and function of aggression found lower correlations than studies that did not disentangle form and function. Among questionnaire studies, higher reliability was associated with larger correlations. Effect size did not depend on other study characteristics such as sample type, age, and informant type. It is concluded that reactive and proactive aggression are most clearly distinguished with behavioral observations and questionnaires that unravel form and functions of aggression.     

An efficient adaptive procedure for psychophysical discrimination experiments

We present an adaptive procedure to conduct psychophysical discrimination experiments. In a discrimination experiment, an observer senses (sees, hears, feels, etc.) two stimuli (separated in space or time) and is asked to order these stimuli with respect to a particular parameter (say,s). Under the usual assumption of a locally linear internal representation ofs, perturbed by additive Gaussian noise, the probabilityP(s ₂)—of judging test stimuluss ₂ “larger” than a reference stimuluss ₁—is an error function (a cumulative normal distribution). Such an error function,Erf [(s ₂μ)/σ], is parametrized by two parameters: μand σ. The parameter μ is the value for whichP(s ₂) = 50% and is related to possible bias effects in the internal representation of the observer. The parameter σ is √2 times the standard deviation of the noise distribution and is generally called thediscrimination threshold. In this paper, we present (1) an algorithm to estimate μ and σ given the data generated by such an observer, (2) an analysis of the efficiency of a stimulus presentation with respect to the estimation of μ and σ , and (3) a method that controls the specific choice of stimulus values during an experiment so that an optimal estimation of μ and σ is obtained.     

Mastery pleasure versus mere ownership: A quasi-experimental cross-cultural and cross-alphabetical test of the name letter effect

Four studies test both the alternative explanation advanced by Hoorens and Todorova (1988) for Nuttin's (1984, 1985, 1987) name letter effect (NLE), and two interpretations for an unexplained finding of the former authors. Flemish, Hungarian and Thai children show an increasing rather than a decreasing NLE over primary school grades (studies 1, 2 and 4). Thai university students and school children prefer own name letters in their ‘mother’ alphabet (Thai) but also in their second (Roman) alphabet (studies 3 and 4). All these results contradict the primacy of own name writing or mastery pleasure hypothesis. Independently of the time interval between the acquisition of both alphabets, a stronger NLE is found in the subjects ‘mother’ alphabet than in their second alphabet, contradicting a mitigated mastery pleasure explanation for the stronger NLE in one's ‘mother’ alphabet (Hoorens and Todorova, 1988). All the data are consistent with Nuttin's interpretation of the NLE in terms of the affective consequences of ‘mere ownership’. Finally, the striking generality of the NLE over languages, alphabets, and cultures is again demonstrated.     

ACQUISITION AND CROSS-SETTING GENERALIZATION OF MANUAL SIGNS WITH SEVERELY RETARDED INDIVIDUALS

In this study, we assessed the effect of a transfer of stimulus control procedure on the acquisition and cross-setting generalization of manual signs with four profoundly retarded individuals. Two individuals were trained to produce appropriate signs to verbal instructions, whereas the other two were trained until manual signs were controlled by visual stimuli (objects). Data obtained from three probe situations (two for one individual) constituted the dependent variables of the investigation. The results, gathered within a multiple-baseline design across signs showed that (a) individuals acquired the trained signs and (b) maintenance and generalization across settings (classroom, ward) and persons (teachers, ward staff) occurred, but was highly variable between and within individuals.     

Assertiveness,self-actualization,and locus of control in women

An intervention program designed to facilitate psychological growth in middle-aged women was implemented and evaluated. Specifically, the study examined the program's effects on the participants in the areas of assertiveness, externality, and self-actualization at the end of the program and five months later. The results showed significant increases in assertiveness and self-actualization in the women at the posttest and five months later. There was no change in locus of control; most of the women were internally oriented at the pretest and remained the same over time.