Incremento de vocalizaciones espontáneas en deficientes mentales profundos: un caso práctico

RESUMEN

El objetivo de este trabajo fue incrementar las vocalizaciones espontáneas en un deficiente mental profundo como requisito previo antes de su incorporación a los programas de implantación del habla. El procedimiento utilizado resultó eficaz no sólo en las sesiones de tratamiento sino en su medio ambiente.     

Contexto y aprendizaje: el papel de la interacción en diferentes tipos de tareas

Resumen

Este trabajo analiza la incidencia del contexto material y social en el aprendizaje de niños entre cinco y ocho años. Se asume que puede existir una interacción entre estas dos dimensiones del contexto. Se presentan datos relacionados con el aprendizaje en una tarea causal y otra lógico-matemática considerando la eficacia de la interacción del niño con el adulto y/o los iguales. La muestra está formada por 96 niños, distribuidos en un grupo de control y dos grupos experimentales. Se realizan análisis cuantitativos y cualitativos. Los resultados muestran que la interacción individual con el adulto resulta especialmente eficaz en la tarea causal y, sobre todo, en los niños que tenían un nivel más bajo al comenzar el proceso de aprendizaje. Por otra parte, la interacción con los iguales produce mejores resultados en ambas tareas cuando los niños interactúan con otros niños más hábiles en la tarea. Finalmente, se observan diferencias en la eficacia de las estrategias de instrucción que utiliza el adulto en función del tipo de tarea.     

Identities, social representations and critical thinking

This comment on L. Simonneaux and J. Simonneaux paper focuses on the role of identities in dealing with socio-scientific issues. We argue that there are two types of identities (social representations) influencing the students’ positions: On the one hand their social representations of the bears’ and wolves’ identities as belonging to particular countries (Slovenia versus France for bears, France and Italy for wolves), in other words, as having national identities; on the other hand representations of their own identities as belonging to the field of agricultural practitioners, and so sharing this socio-professional identity with shepherds and breeders, as opposed to ecologists. We discuss how these representations of identities influenced students’ reasoning and argumentation, blocking in some cases the evaluation of evidence. Implications for developing critical thinking and for dealing with SSI in the classrooms are outlined.

Neighborhood Press and Immigration

This research studied the way immigration is depicted by the neighborhood press of Barcelona. Mainstream media tend to give visibility to immigrants when problems arise. Through this visibility based on problems, and the processes of framing, a virtual social identity is constructed and given to the immigration population. However, the neighborhood press of Barcelona, inscribed within the Catalan regional press’ own idea of journalism, offers a different approach to this issue due to its history, neighborhood and commitment to the region. Through a frame analysis, three main frames gave a depiction of the immigrants different from the one the mainstream media use. The results show that this differentiated depiction still stereotypes immigrants while not granting them enough visibility even when there is no blaming or attack. In this sense, while accounting for the differences, the neighborhood press of Barcelona misses a chance of depicting immigration in a more accurate way.     

Fitting in and feeling good: the relationships among peer alignment,instructor connectedness,and self-efficacy in undergraduate satisfaction with engineering

This study examined the relationships among peer alignment (the feeling that one is similar in important ways to one's engineering peers), instructor connectedness (the sense that one knows and looks up to academic staff/faculty members in the department), self-efficacy for engineering class work (confidence in one's ability to successfully complete engineering class work), and engineering students' satisfaction with the major. A total of 135 sophomore (second-year university students) and junior (third-year students) engineering students were surveyed to measure these three variables. A multiple regression analysis showed that self-efficacy, peer alignment, and instructor connectedness predicted student satisfaction with the major, and that self-efficacy acted as a mediator between both peer alignment and instructor connectedness on the one hand, and satisfaction on the other. The authors offer suggestions for practice based on the results.     

“Orientation” in Spanish universities

In the present period of change, the Spanish systems of secondary and higher education, too, are confronted with new challenges. People have realized that factors within and outside universities demand the development of effective helping services for students, particularly on the level of orientation. Two different models are described, one that relies on tutors, mainly; the other one employs orientation professionals. The article also describes the skills and the training experiences that are necessary for professionals in orientation services.Facultat de Psicologia i Pedagogia, Universitat Roman Llull     

Acquisition of schedule-induced polydipsia by rats in proximity to upcoming food delivery

Food-deprived rats that receive intermittent delivery of small amounts of food develop excessive drinking--specifically, schedule-induced polydipsia (SIP). A main characteristic of SIP is its occurrence at the beginning of interfood intervals. The purpose of this study was to demonstrate that SIP can be developed toward the end of interfood intervals, in closer proximity to upcoming than to preceding food delivery. In Experiment 1, two groups were exposed to a fixed-time (FT) 30-sec food schedule with water available during the first or the last 15 sec of each interfood interval. Two additional groups, which had access to water throughout, were exposed to FT 30-sec or FT 15-sec schedules of food presentation. The FT 30-sec group with free access to water developed the highest level of intake; similar and intermediate levels were induced in all the remaining groups. In Experiment 2, three groups of rats were exposed to an FT 90-sec food schedule with water available during the first, the second, or the last 30 sec of each interfood interval. One additional group with access to water throughout was exposed to the FT 90-sec schedule of food presentation. The group with free access to water developed a higher level of consumption than did the other groups, but by the end of training none of the four groups showed statistical differences in polydipsic drinking. Results show that adjunctive drinking can be developed in proximity to upcoming food delivery even with long interfood intervals.     

Immunization to learned helplessness in appetitive noncontingent contexts

We examined immunization against learned helplessness in 36 dogs. The experiment consisted of five phases: (1) appetitive contingent training, (2) immunization training, (3) inescapable noise training, (4) recovery, and (5) an appetitive noncontingent test. There were six groups: (1) a group immunized by controllable and predictable noise, (2) a group immunized by controllable but unpredictable noise, (3) a group immunized by uncontrollable but predictable noise, (4) a group given uncontrollable and unpredictable noise during immunization training, (5) a group not submitted to any treatment during the immunization phase, followed by uncontrollable noise, and (6) a group not submitted to any treatment. The immunization effect was assessed by measuring the acquisition of an appetitive response when food was not contingent upon responding. Our results demonstrate that the immunization effect can be observed in a noncontingent appetitive context. The effects of escapable noises that ensure immunization against the motivational deficit and predictable noises that immunize against the associative deficit seem to be additive.