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Status problem and expectations of competence: a challenging path for teachers

Complex Instruction (CI) is a cooperative learning approach, which aims at improving the equal status interaction among students working in groups who may be at different academic and social levels. Based on an ethnographic research, the article examines how a group of Italian primary school teachers understand the status problem and how the finding from this research demonstrates a change in their expectations of competence through using CI. This research analyses to what extent these teachers meet the original goal of achieving greater equity, as well as discussing implications for teachers' professional development.     

Origins of Attachment: Maternal Interactive Behavior across the First Year

This study built on attachment theory and previous research in examining the interactional origins of the secure, insecure-resistant, and insecureavoidant patterns of attachment. Maternal sensitive responsivity, rejection, and activity were the focus of repeated naturalistic observations when infants were 1, 4, and 9 months of age; quality of attachment was assessed at 1 year. Mothers of secure 1-year-olds were observed to be more sensitively responsive at 1 and 4 months and less rejecting at 1 and 9 months than mothers of insecure infants. Mothers of insecure-avoidant infants were more rejecting at 9 months, whereas mothers of insecure-resistant infants were least sensitively responsive and most rejecting at 1 month; the insecure groups were also differentiated on the basis of patterns of change from 1 to 9 months, with mothers of resistant infants becoming less rejecting and mothers of avoidant infants becoming more rejecting relative to other mothers.     

Interactional Synchrony and the Origins of Infant-Mother Attachment: A Replication Study

This study sought to replicate previous work in testing the hypothesis that interactions of dyads developing secure attachment relationships would be characterized by disproportionately synchronous and those of dyads developing insecure relationships by disproportionately asynchronous exchanges. Additionally, a priori hypotheses were tested regarding expected differences in the interactional histories of dyads developing insecure-avoidant and insecure-resistant attachments. Results supported the study's predictions in all cases. Dyads developing secure attachments were observed at 3 and 9 months to interact in a disproportionately well-timed, reciprocal, and mutually rewarding manner; dyads developing insecure relationships were disproportionately characterized by interactions in which mothers were minimally involved, unresponsive to infant signals, or intrusive. Within the insecure group, as predicted, 3- and 9-month interactions of avoidant dyads were characterized by maternal intrusiveness and overstimulation; resistant dyads were characterized at both ages by poorly coordinated interactions in which mothers were underinvolved and inconsistent. These findings are discussed as they lend to a growing body of evidence concerning associations between differential interactional histories and attachment quality.     

There Is Water Everywhere: How News Framing Amplifies the Effect of Ecological Worldviews on Preference for Flooding Protection Policy

The purpose of this study is to examine the interactive effect of worldviews and media frames on policy preference. Using flooding as a case study, we examine the interplay of ecological worldviews and news framed as either emphasizing harmony with nature or mastery over nature on individuals' preference for flood protection policy. A total of 255 undergraduate students participated in a 2 (ecological worldviews: balance-with-nature vs. human-domination-over-nature) × 2 (media frames: harmony frame vs. mastery frame) between-subjects experiment. The findings indicate that both the balance-with-nature worldview and the human-domination-over-nature worldview have significant impacts on preference for flood protection policy. Furthermore, the harmony frame amplified the effect of the balance-with-nature worldview in supporting a natural approach to flood protection. In contrast, the mastery frame amplified the effect of the human-domination-over-nature worldview on the preference for a structural approach to flood protection. Implications are discussed.     

Interpreting classroom climate: a study in a year five and six class

This paper argues that classroom “climate” is not static and cannot be measured or described objectively. Rather, it is to be described from different perspectives. The paper compares and analyzes student's and teacher's perception of the classroom from a study done in a combined year five and six class in a small town Catholic school in New South Wales.     

Marital and parent-child relationships in family of origin and marital change following the birth of a baby: a retrospective analysis

In order to explore the relationship between recollected experiences in one's family of origin and changes in marriage following the birth and rearing of a new baby, data collected as part of a larger and more extensive study of infant and family development were analyzed. Multiple regression analyses revealed that retrospective reports of how one was reared by parents and of how parents got along as husband and wife in one's family of origin reliably predicted changes in marriage from the last trimester of pregnancy through the time the baby was 9 months of age. Most significantly, results indicated that husband-wife differences in evaluations of marital adjustment increased over time when individuals recalled being reared in a cold-rejecting as opposed to warm-supportive manner, especially when individuals also recalled their own parents as not having an especially harmonious marital relationship. These findings are discussed in terms of potential processes by which experiences in one's family of origin may affect the way couples adjust to the birth and rearing of a new baby.     

Thoracoabdominal breathing motion pattern and coordination of professional ballet dancers

Ballet training includes exercises of high and moderate intensities, which require breathing control for a good performance. This study describes the thoracoabdominal motion of professional dancers and compares the breathing patterns between professional dancers and non-dancers. Participants of this study were four male and four female (30.33 ± 4.64 years) professional dancers and four male and four female (22.75 ± 1.49 years) non-dancers. The participants executed two breathing manoeuvres while sitting motionless: quiet breathing (QB) and vital capacity (VC). The 3D coordinates of 32 retro-reflective markers positioned on the trunk were used to calculate the volume of the superior thorax, inferior thorax and abdomen. Principal component analysis was applied in the volume variation of each trunk compartment to search for dominant independent variables in a breathing motion pattern. The correlation coefficient was calculated to verify the coordination between the compartments during the breathing manoeuvres. A predominance of the superior thorax or abdomen movement was found in both groups. The professional ballet dancers have an efficient breathing pattern and maintain the same breathing pattern in QB and VC manoeuvres. On the other hand, the non-dancers group showed relevant changes of the breathing pattern to respond to a greater breathing effort, like in VC.     

An NDT electro-optic system for mosaics investigations

Electronic speckle pattern interferometry (ESPI) is a well-known tool in cultural heritage diagnostics. It is also suitable to reveal cracks and debondings of tiles in ancient mosaics of Roman and Medieval age. This paper describes a portable electro-optic system as a diagnostic tool to evaluate the state of conservation of ancient mosaics. The proposed system is based on the integration of ESPI and local speckle correlation techniques. Some experiments have been carried out on real, ancient, mosaics in laboratory and in situ. The different features of each technique are outlined and a comparison with holographic interferometry is also given.