Orientador: Angela Fatima Soligo / Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Educação / Made available in DSpace on 2018-08-06T10:31:15Z (GMT). No. of bitstreams: 1 Coval_MarioAndreiStein_M.pdf: 496234 bytes, checksum: 71dc0c55d4d018ca4d1cd2739d60f4c9 (MD5) Previous issue date: 2006 / Resumo: A presente pesquisa teve como objetivo investigar a representação social que licenciandos têm da adolescência e do adolescente e sua influência nas expectativas de prática pedagógica do futuro professor. Os dados foram obtidos através de questionário e analisados sob os referenciais da Análise de Conteúdo. Identificamos que para os futuros professores a adolescência parece ser representada como um período de transição para a idade adulta, um período em que a identidade está em formação. Vivendo esse período, considerado especial, pelos participantes, o adolescente é representado como rebelde, agressivo, instável, dependente, com grande necessidade de auto-afirmação, com tendência grupal e identidade em formação. Diante dessas representações, vimos que as expectativas de prática pedagógica apontam caminhos concretizados em alguns tipos de professor: o professor ¿bonzinho¿, o esperto, o super-competente e o autoritário, todos com o objetivo de controlar a adolescência e o comportamento adolescente. Um quinto tipo de professor apareceu muito discretamente: aquele que considera a adolescência como uma condição imposta pela sociedade e que foi e é construída histórica, cultural e socialmente, que nos indica uma mudança na prática docente. O quadro formado apresenta-nos expectativas bastante positivas de prática, mas, apesar disso, percebemos que estão profundamente marcadas por aquelas representações sociais de adolescência e adolescente, que são negativas / Abstract: The present research had as objective to investigate the social representation that professors in initial formation has of the adolescence and of adolescent and the influence that in the expectations of practical pedagogical of the future professor. The data had been gotten through questionnaire and analyzed on the basis of the Analysis of Content. The research indict that for the futures professors the adolescence seems to be represented as a period of transistion for the adult age, a period when the identity is in formation. Living this period, considered special, for the participants, the adolescent is represented as rebellious, aggressive, unstable, dependent, with great auto-affirmation necessity, with group trend and identity in formation. Faced with of these representations, we saw that the expectations of practical pedagogical point ways materialize in some types of professor: the professor "well-disposed", the bad, super-competent and the authoritarian, all with the objective to control adolescence and the adolescent behavior. A fifth type of professor it appeared very discrete: that one that considers the adolescence as one condition imposed for society and that it was and it is constructed historical, cultural e socially, that in them it indicates a change in the practical professor. The formed picture it presents us sufficiently positive expectations of practical, but, despite this, we perceive that deeply they are marked by those social representations of adolescence and adolescent, that are negative / Mestrado / Psicologia Educacional / Mestre em Educação

In recent years there has been a growing use of expectancy theory to study motivation and performance in accounting environments. Such research efforts have resulted in reporting some inconsistent findings and low explanatory power for the expectancy model. In an attempt to increase the explanatory power of the model, several researchers have suggested the inclusion of nonexpectancy components in the model. This research was undertaken to develop an integrative expectancy model by incorporating some elements of goal setting theory and attribution theory into the expectancy formulation. The study was also designed to provide empirical evidence on the validity of a within-subject design of the proposed model through an empirical investigation of auditors* performance behaviors to meet budgeted time in public accounting firms. Alternative performance behaviors to meet budgeted time were modeled in three choice processes. The first deals with auditors choice to report unfiltered time (i.e. report actual time worked) as opposed to filtered time worked (i.e., underreporting and sign-off behaviors). The second process deals with auditors' choice to engage in underreporting as opposed to sign-off behaviors. The third process deals with auditors' choice to reduce or overrule some audit procedures based on professional judgment. Data were collected using an anonymous questionnaire from a sample of auditors at the staff, senior, and supervisory staff levels of fifty-three national, regional and local accounting firms in the Dallas- Fort Worth area. Data received from 671 participants were analyzed using th Automatic Interaction Detector (AID3) and multiple regression techniques. The findings of this research support the expectancy formulation and its relevancy to the accounting environments. However, five nonexpectancy variables were found to have significant relationships with auditors' choice processes to meet budgeted time. These five variables were supervision, budget feasibility, length of experience, organizational level and firm size classification.

Orientador: Maria Aparecida Azevedo Pereira da Silva / Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos / Made available in DSpace on 2018-08-03T14:50:16Z (GMT). No. of bitstreams: 1 Noronha_ReginaLuciaFirmentode_D.pdf: 5682031 bytes, checksum: 772d0125016da60dd28ee83f982095e9 (MD5) Previous issue date: 2003 / Resumo: Em produtos como o café solúvel, que requerem preparo antes do consumo, o consumidor pode ter sua expectativa prévia influenciada pelos estímulos sensoriais advindos do produto, através da manipulação e contato gradativo que ocorrem durante o processo de preparação. Por sua vez, a Análise Sensorial ainda carece de trabalhos que estudem a validação de análises estatísticas que analisem os dados gerados em estudos com consumidores segmentando-os em função de suas percepções individuais e não em função da média aritmética obtida para o grupo de indivíduos que participou do teste. Assim, o presente trabalho teve como objetivos: i) verificar, especificamente em café solúvel, como os estímulos sensoriais observados durante a preparação, influenciaram a aceitação e percepção dos atributos gosto amargo e riqueza de sabor da bebida pronta e; ii) comparar as metodologias estatísticas tradicionais ANOVA e Teste de Tukey com a Mapa de Preferência, na exploração de dados sensoriais gerados por consumidores. Para atingir este objetivo dois experimentos foram realizados. No primeiro experimento o desempenho do Mapa de Preferência foi estudado e comparado ao desempenho da ANOVA seguida de teste de Tukey, na análise dos dados de aceitação e de intensidade dos atributos gosto amargo e riqueza de sabor de 9 amostras comerciais de café solúvel do mercado inglês, gerados por 178 consumidores ingleses. Para avaliar as amostras, os consumidores utilizaram escala hedônica estruturada de nove pontos e escalas de categoria. Os cafés foram preparados a 17% com adição de 17% de leite pasteurizado semidesnatado. A ordem de apresentação das amostras foi realizada segundo um delineamento de blocos completos balanceados. Os escores gerados pelos consumidores foram submetidos a ANOVA, Teste de Tukey e Mapa de Preferência - modelo vetorial. O Mapa de Preferência demonstrou ser uma técnica útil na análise dos dados, mostrando a segmentação dos consumidores em relação às suas preferências e ainda fornecendo informações que não puderam ser concluídas a partir das análises estatísticas tradicionais, ao identificar a existência de dois grupos de consumidores: i) um grupo menor (23%), que discriminou fortemente as amostras quanto à aceitação e, ii) um grupo maior, constituído pela maioria dos participantes (77%) que a despeito de terem demonstrado preferências similares ao primeiro grupo, utilizaram porção menor da escala hedônica para se expressarem, discriminando menos as amostras em relação à aceitação, comparativamente ao primeiro grupo.o segundo experimento foram avaliados os efeitos do contato com os estímulos sensoriais do café solúvel na expectativa, aceitação e percepção do atributo gosto amargo dos consumidores. Para isso, inicialmente foram formados três diferentes conjuntos embalagem + amostra de café, de forma a confirmar, desconfirmar positivamente e desconfirmar negativamente a expectativa dos consumidores. As avaliações realizadas ocorreram em três etapas: i) avaliação cega, onde os consumidores avaliaram as amostras de café em recipientes codificados; ii) avaliação da expectativa, onde os consumidores avaliaram a expectativa a partir das embalagens e/ou estímulos sensoriais do produto e iii) avaliação informada, onde os consumidores avaliaram as amostras de café na presença das respectivas embalagens. Na avaliação da expectativa os consumidores foram separados em três grupos e cada grupo avaliou a expectativa após adotarem um dos três diferentes procedimentos: 1) manipular a embalagem; 2) manipular a embalagem, abri-Ia e avaliar o aroma do produto e 3) manipular a embalagem, abri-Ia, avaliar o aroma e dosar o produto para o preparo. As amostras e embalagens utilizadas foram adquiridas nos supermercados ingleses. Participaram deste estudo 96 consumidores com perfil similar de preferência de café solúvel. Para gerar os escores de aceitação e intensidade de gosto amargo nas avaliações cega e informada, e aceitação esperada e intensidade de gosto amargo esperada na avaliação da expectativa, os consumidores utilizaram escala hedônica estruturada de 9 pontos e escalas de categoria. A ordem de apresentação das amostras nas três avaliações foi realizada segundo um delineamento de blocos completos balanceados. Os efeitos individuais da expectativa foram identificados através da análise de gráficos (EX - CE) x (IN - CE) plotados para cada amostra, por grupo de consumidores, onde EX representa os escores gerados na avaliação da expectativa, CE na avaliação cega e IN na avaliação informada e das regressões lineares calculadas para cada gráfico. Para avaliar os efeitos da expectativa na aceitação e na percepção de gosto amargo, em cada grupo de consumidores, os escores CE, EX e IN, obtidos para cada grupo, foram expressos como valores de médias e submetidos à ANOVA seguida de Teste de Tukey. Adicionalmente, os dados obtidos para cada grupo nos avaliações cega (CE) e informada (IN) foram submetidos à ANOVA, considerando-se as seguintes fontes de variação: tipo de avaliação (cega ou informada), consumidor e amostra. Para comparação entre as médias CE e IN, obtidas para cada conjunto, nos 3 diferentes procedimentos, foi aplicado o Teste t. Os resultados obtidos no presente estudo sugerem que diferentes formas de contato dos consumidores com os estímulos sensoriais do café solúvel, antes da degustação, influenciaram fortemente, e de maneira distinta, a aceitação dos consumidores. O modelo assimilação da expectativa foi predominantemente identificado, sendo significativa (p=0,05) sua ocorrência tanto após desconfirmação negativa da expectativa (produto pior do que o esperado) como após desconfirmação positiva da expectativa (produto melhor do que o esperado). Estes resultados reforçam a importância da embalagem na aceitação e decisão de recompra do produto pelos consumidores / Abstract: In products such as instant coffee, which require preparation before consumption, the expectations of the consumer may be influenced by the sensory stimuli emanating from the product during the manipulation and gradual contact occurring during the preparation process. On the other hand, sensory analysis still lacks research studying the validation of statistical analyses of the data produced in consumer studies in which the consumers are segmented as a function of their individual perceptions and not as a function of the arithmetic mean obtained with the group of individuals who participated in the test. Thus the objectives of this study were: i) verify, specifically with instant coffee, how the sensory stimuli observed during preparation influenced liking and the perception of the attributes bitterness and richness in the final beverage and; ii) compare the traditional statistical methodologies of ANOVA and Tukey with Preference Mapping, in order to explore sensory data generated by consumers. Two experiments were carried out to achieve these objectives. In the first experiment, the performance of Internal Preference Mapping (IPM) was studied and compared with that of ANOVA followed by Tukey's test, in the analysis of the data generated by 178 English consumers for liking and the intensity of bitterness and richness, in 9 commercial instant coffee samples acquired on the English market. The consumers used a 9 point structured hedonic scale and category scales to evaluate the samples. The coffee samples were prepared with a concentration of 17% plus 17% pasteurized semi-skimmed milk. The order of presentation was according to a balanced complete block design. The scores attributed by the consumers were submitted to ANOVA, Tukey's test and the vector model of Internal Preference Mapping (IPM). IPM was shown to be a useful technique in the data analysis, showing the segmentation of the consumers according to their preferences and providing information not available from the traditional statistical analyses, that of identifying two groups of consumers: i) a smaller group (23%), which strongly discriminated the samples with respect to their liking and, ii) a larger group constituted by the majority of the participants (77%), which, despite showing similar preferences to the first group, used a smaller portion of the hedonic scale, discriminating the samples less with respect to their liking as compared to the first group. In the second experiment the effect of contact with the sensory stimulus of the instant coffee was evaluated, with respect to consumer expectation, liking and bitterness perception. Thus initially three different sets of package + coffee sample were prepared, so as to confirm, positively disconfirm and negatively disconfirm consumer expectation. The evaluations occurred in three steps: i) blind evaluation, in which the consumers evaluated the samples from codified containers; ii) expectation evaluation in which the consumers evaluated their expectation from the package and/or sensory product stimulus and iii) informed evaluation, where the consumers evaluated the coffee samples in the presence of their respective packages. In the expectation evaluation, the consumers were divided into three groups, and each group evaluated the expectation after adopting one of three different procedures: 1) manipulate the package; 2) manipulate the package, open it and evaluate product aroma and 3) manipulate the package, open it, evaluate the aroma and dose the product for preparation. The samples and packages used were acquired from English supermarkets. Ninety-six consumers took part in this study, each with a similar preference profile for instant coffee. To evaluate the samples they used a nine point structured hedonic scale and a category scale. In all three evaluations, the samples were presented according to a balanced complete block design. Individual effects of expectation were identified: i) by way of an analysis of the graphs (EX - SE) x (IN - SE), plotted for each sample for each group of consumers, where EX represents the scores generated in the expectation evaluation, SE in the blind evaluation and IN in the informed evaluation and ii) by way of the linear regressions calculated for each graph. To evaluate the effects of expectation on liking and bitterness perception in each consumer group, the scores for SE, EX and IN obtained for each group were expressed as mean values and submitted to ANOVA followed by Tukey's test. In addition, the data obtained for each group in the blind (SE) and informed (IN) evaluations, were submitted to ANOV A, considering the following sources of variation: type of evaluation (blind or informed), consumer and sample. The t test was applied to compare the means for SE and IN, obtained for each set in the 3 different procedures. The results obtained in the present study suggest that different forms of consumer contact with the sensory stimuli of instant coffee before tasting, strongly influence consumer liking, each in a distinct way. The effect assimilation was predominantly identified, its occurrence being significant (p=0,05) after both negative disconfirmation (product worse than expected) and positive disconfirmation (product better than expected). These results reinforce the importance of the package in the acceptance and decision to buy of the product by the consumers / Doutorado / Doutor em Tecnologia de Alimentos

Indiana University-Purdue University Indianapolis (IUPUI) / Placebo has been found to be an important component of treatments including psychological and pharmacological treatment of depression, transplant surgery for Parkinson’s, acupuncture, smoking cessation interventions, and analgesic treatment of pain. Although the placebo effect has been observed across a wide range of disciplines, the effect sizes vary widely and it is not well understood how placebo effects are produced. The current study draws upon research in perception and motivation to propose a more comprehensive model of the placebo effect. Specifically, the model proposes that more motivated persons pay greater attention to bodily sensations and other stimuli, which are then interpreted according to expectations, producing a placebo response. In the current study, both motivation and outcome expectancy were manipulated, creating a 2x2 study design. College students (N=152) were asked to evaluate a series of placebo pheromone substances (slightly scented water) and attention/task diligence was assessed as the amount of time spent on the rating task and the number of evaluations made. The placebo response was assessed as the attractiveness rating of the chosen sample and the variability in ratings, with greater variability and higher attractiveness ratings indicating greater placebo response. It was predicted that those in the high motivation group would have greater diligence on the rating task, which would, in turn, lead to greater placebo response. It was further predicted that there would be a main effect for expectancy on placebo response. Consistent with hypothesized effects, more highly motivated students had greater placebo responses, and the relationship was mediated by task diligence. Thus, as students spent greater time on the evaluation task, they found the scent of their chosen sample to be more pleasing and perceived greater differences among samples. No effect was found for expectancy. These findings are important because they suggest possible mechanisms for maximizing treatment effects in medical and psychological settings, where factors such as nonspecific treatment effects and placebo are believed to influence outcomes. Future research should seek to further clarify the relationship of expectancy and motivation to placebo outcomes by examining mediating factors such as attention and carefully manipulating both variables to ensure maximum effects.

Many experiences in our daily lives are temporally structured, enabling prediction of events that will occur in the future. We can anticipate upcoming subway stops during our daily commute, or plan multiple steps ahead when cooking a meal we have made many times. Although sequences of events in daily life can be multiple steps long, like the stations along a subway line, it is unknown how extended temporal structure enables predictions over multiple timescales. The three studies reported in this dissertation investigate how extended temporal structure is flexibly represented in memory and in the brain to guide multistep prediction. Chapter 1 demonstrates that memory for temporal structure is enhanced with memory consolidation, enabling more efficient judgements about predictable future events over time. Chapter 2 shows that temporal structure is represented bidirectionally and hierarchically across the hippocampus and across visual regions during multistep anticipation. Finally, Chapter 3 addresses how internal models are updated when regularities in our environment change: the hippocampus rapidly reconfigures memories of temporal structure in response to learning new information, which supports the planning of novel trajectories. Together, the studies presented in this dissertation shed light on how we represent internal models of the world that span multiple timescales to guide adaptive behavior.

This mixed methods study of teachers' beliefs about Advanced Placement (AP) equity and access policies occurred in Sunshine County School District, a large south Florida school district that had received accolades for leading the nation in access and equity in AP. Drawing on social reconstructionism, this study framed AP as an acceleration mechanism with the potential to increase students' prospects for social advancement. These policies have resulted in a more diverse classroom experience through nontraditional student participation in AP courses. The purpose of this embedded case study was to examine the relationship between beliefs held by AP teachers in regard to the implementation of equity and access policies, as well as to what extent these beliefs may support or hinder the execution of such policies and procedures. The study occurred in three phases and consisted of document analysis, a survey and interviews. Surveys collected from 176 AP teachers in the district yielded quantitative data on AP teachers' beliefs regarding equity and access and the subsequent implementation of equity and access policies. Qualitative data regarding beliefs surrounding equity and access policies and the potential challenges these policies may pose were collected through open-ended survey questions, document analysis, and interviews with eight teachers at two selected high schools representing the highest and the lowest access rates to AP in the district. The findings indicated that AP teachers support equity and access policies in AP. Despite these beliefs, there is evidence that such policies are not consistently implemented across schools and particularly in STEM-related content areas. The analysis of both quantitative and qualitative data led to the conclusion that the historic tension between elitism and equity that surrounds the AP program currently is fueled primarily through state accountability measures. Implications and suggestions for future research are related to policy changes regarding the revision of the state of Florida grading system and district-level procedural changes in relation to the design of school-based professional development and development of clear AP pathways that support access among underrepresented students. / Includes bibliography. / Dissertation (Ph.D.)--Florida Atlantic University, 2015. / FAU Electronic Theses and Dissertations Collection

published_or_final_version / Social Work / Master / Master of Social Sciences

Recently in robotics, substantial efforts have been invested on critical applications such as military, nursing, and search-and-rescue. These applications are critical in a sense that the robots may directly deal with human lives in life-or-death situations, and they are therefore required to make highly intelligent decisions as rapidly as possible. The intelligence we are looking for in this type of situations is proactiveness: the ability to anticipate as well as improvise. Anticipation here means that the robot can assess the current situation, predict the future consequence of the situation, and execute an action to have desired outcome based on the determined assessment and prediction. On the other hand, improvisation is performed when the consequence of the situation is not fully known. In other words, it is the ability to deal with a novel situation based on knowledge or skill being acquired before. In this presentation, we introduce a biologically inspired computational model of proactive intelligent behavior for robots. Integrating multiple levels of machine learning techniques such as temporal difference learning, instance-based learning, and partially observable Markov decision process, aggregated episodic memories are processed in order to accomplish anticipation as well as improvisation. How this model can be implemented within a software architectural framework and integrated into a physically realized robotic system is also explained. The experimental results using a real robot and high fidelity 3D simulators are then presented in order to help us understand how extended experience of a robot influences its ability to behave proactively.

Title from first page of PDF document. Includes bibliographical references (p. 42-47).

Indiana University-Purdue University Indianapolis (IUPUI) / Sexting, defined as the exchange of sexually explicit materials via the Internet or mobile phones, is an increasingly common risky behavior; however, little is known about why people sext. The goals of the study were to (1) review the sparse literature on sexting, (2) identify key information yet to be answered by the current literature, (3) describe how personality and social learning might influence the risk for sexting, (4) empirically examine the factor structure of the newly developed Sextpectancies Measure, and (5) empirically examine how sensation seeking and sexual arousal-related expectancies might interact to predict sexting. Participants: Participants were undergraduate students at a large, public US, mid-western university (N = 611). The mean age was 21.2 (SD = 5.4) and the sample was 77.3% female. Design: A series of correlational, reliability, and hierarchical regressions were conducted to examine relationships between sensation seeking, sexting frequency, and sexual arousal sexting expectancies. A confirmatory factor analysis was conducted based on two proposed models of the Sextpectancies Measure. Findings: Sensation seeking significantly predicted sexting frequency (β = .215, p < .001). Sexual arousal sexting expectancies significantly predicted sexting frequency (β = .428, p < .001), and sexual arousal expectancies partially mediated the relationship between sensation seeking and sexting frequency, showing a significant indirect effect (β = .085, p < .001). Although the initially proposed model for the Sextpectancies Measure examining two overarching sending and receiving domains did not fit the data well, an alternative model which identified overall positive and negative expectancies, fit the model relatively well (RMSEA = .085; CFI = .926). Conclusions: This study is the first step towards understanding the sexting risk process and how specific personality traits and social learning may increase the risk for sexting. Additionally this study provides some insight into common expectancies of sexting.