Reversibility in software engineering

Part of the attraction of object technology is its ability to remove or lower the walls that have traditionally stood between various aspects of software construction-analysis, design, implementation, maintenance. A good OO process should be reversible, allowing developers to move between tasks backward as well as forward, with many benefits for the quality of the process and the product. The author explains the concept     

Better revision in eight minutes? Prompting first-year college writers to revise globally.

Two experiments examined the relation between revision and task definition among college students in writing courses. In Experiment 1, students prompted to make global revisions to their drafts of college application letters improved their drafts more than students not prompted to make global revisions. Results of Experiment 1 extended results of D. L. Wallace and J. R. Hayes (1991), who found the same effect for students revising text they had not written. In Experiment 2, the treatment did not improve revisions by college students (identified as measured by low SAT verbal scores) who completed the same writing task. Together, results of these 2 experiments suggest that the prompt to revise globally may be effective in helping entry-level college writing students improve their texts (the prompt seems to have encouraged them to make better revisions) but that it is not effective in helping basic-level college writing students revise. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Guiding employees through the COVID-19 pandemic: An exploration of the impact of transparent communication and change appraisals

Against the backdrop of the COVID-19 pandemic and drawing on literature from change management, internal communication and cognitive appraisal theory, this study provided accounts of how transparent communication during organizational change affects employees' cognitive appraisals of the change, behavioural reactions to the change, and subsequently, turnover intentions. Our findings of 414 full-time US employees revealed that transparent internal communication is positively related to employees' challenge appraisal of the change, which, in turn, is related to change compliance and championing. In addition, transparent communication is negatively associated with threat appraisal of the change, which in turn is connected to lower change compliance. Further, employees' turnover intention was negatively associated with their compliance and championing for the change. This study has made several contributions to internal communication scholarship, appraisal theory and change management literature. We also offer several suggestions to improve communication during organizational change periods.     

Reconsidering the actual and future use of mobile services

For a number of years, Finland was considered one of the most successful countries in Europe in terms of the adoption and use of mobile services. In this paper, we focus on trends in service adoption, by discussing the development in the Finnish telecommunication market and trends in actual and future user behaviour with regard to three groups of mobile services. Based on surveys from 2004, 2005 and 2006, in which the same concepts were measured, we test models in which concepts like innovativeness, flexibility, status and entertainment value are related to mobile travel service, traditional entertainment and mobile Internet services. Our analysis shows that we cannot understand the actual and future use unless we take the characteristics and user values of the specific mobile services into account.     

Perceptions of the Parent-Adolescent Relationship: A Longitudinal Investigation.

Aself-report measure of conflict and aspects of warmth in the parent-child relationship was completed by 1,330 11-year-old twins, 1,176 of whom completed the inventory again 3 years later. On average, adolescents' perceptions of the quality of the parent-child relationship declined consistently and moderately between age 11 and age 14. Conflict with parents increased, whereas all aspects of warmth decreased; changes were significantly greater for girls than boys. Variances increased with age, primarily because of increases in the magnitude of genetic effects. Heritability estimates ranged from .09 to .31 at intake and .35 to .45 at follow-up and tended to be higher for boys than girls. Changes in the parent-child relationship are interpreted as reflecting genotype-environment correlation processes whereby adolescents increasingly influence their relationships with their parents. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Modification of phytohormone response by a peptide encoded by ENOD40 of legumes and a nonlegume

The gene ENOD40 is expressed during early stages of legume nodule development. A homolog was isolated from tobacco, which, as does ENOD40 from legumes, encodes an oligopeptide of about 10 amino acids. In tobacco protoplasts, these peptides change the response to auxin at concentrations as low as 10(-12) to 10(-16)M. The peptides encoded by ENOD40 appear to act as plant growth regulators.     

How I Feel: A Self-Report Measure of Emotional Arousal and Regulation for Children.

This article details the development and preliminary validation of a multidimensional self-report measure of emotion for 8- to 12-year-old children--the How I Feel (HIF). Item generation and selection occurred via 2 pilot administrations (ns = 250 and 378, respectively). Ten experts provided data on content validity. Exploratory factor analysis and subsequent confirmatory factor analysis with samples of 406, 524, 349, and 349 3rd- through 6th-grade children supported a 3-factor model, including the frequency and intensity of (a) positive emotion, (b) negative emotion, and (c) positive and negative emotion control. Results showed moderate longitudinal stability for 120 children over 2 years. Concurrent validity was established. The HIF can be useful in understanding the interplay between arousal and control in social-emotional adjustment in school-age children. (PsycINFO Database Record (c) 2010 APA, all rights reserved)