Developmental Trends in Sexual Attraction Among Puerto Rican Early Adolescents in Two Contexts     

Katherine S. Elkington  Milton L. Wainberg  Maria Ramos-Olazagasti  Chen Chen  Ana Ortin  Glorisa J. Canino  Hector R. Bird  Cristiane S. Duarte 《Child development》2020,91(3):1044-1055

Sexual attraction (SA), the earliest stage of sexual orientation, is scarcely studied. This prospective study examined, over 3 years, prevalence, changes in SA, and the role of context, among 946 Puerto Rican youth, aged 11–13 years at initial assessment in the South Bronx (SBx), New York City, and Puerto Rico (PR). Overall, 98.1% of boys and 95.3% of girls reported opposite-sex only SA at some point, whereas 13.8% of girls and 12.0% of boys reported any-same SA. Opposite-sex only SA increased over time, whereas other SAs decreased except for any same-sex SA among SBx girls. Girls in the SBx and younger youth in PR reported more any same-sex SA. Context and culture may play a role in the developmental trajectories of adolescents’ SA.  相似文献   

A computer-based spatial learning strategy approach that improves reading comprehension and writing     

Hector R. Ponce  Richard E. Mayer  Mario J. Lopez 《Educational technology research and development : ETR & D》2013,61(5):819-840

This article explores the effectiveness of a computer-based spatial learning strategy approach for improving reading comprehension and writing. In reading comprehension, students received scaffolded practice in translating passages into graphic organizers. In writing, students received scaffolded practice in planning to write by filling in graphic organizers and in translating them into passages. Based on a cluster-randomized sampling process, 2,468 students distributed in 12 schools and 69 classrooms participated in the study. Schools were randomly assigned to the computer-based instruction (CBI) group or traditional instruction (TI) group. Teachers assigned to the CBI treatment integrated the applications into the language arts curriculum during one school semester. A standardized test was used to measure reading comprehension and writing. The data were analyzed through a statistical multilevel model. The findings showed that students in the CBI group improved their reading and writing skills significantly more than students under TI—yielding an effect size d = 0.30.  相似文献   

Cylindrical type printing machines     

Hector Orr 《Journal of The Franklin Institute》1870,89(5):320-323

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The assertive-aggressive distinction and the cross-cultural perspective     

Jeff S. Fray  Mark A. Hector 《International journal for the advancement of counseling》1987,10(2):103-110

Are assertive and aggressive behaviors distinguishable from each other across different cultures? A limited amount of research, reviewed here, indicates that they are. It seems that, across cultures, assertive and aggresive behaviors are identifiable as different constructs and that they vary independently from each other. Other variables that mediate differences on assertiveness between cultures such as individualism versus collectivism and masculinity versus femininity are considered. Finally, recommendations regarding research methodology for the study of assertive behaviors across cultures are presented.  相似文献   

Performance issues in distributed shared-nothing information-retrieval systems     

Anthony Tomasic  Hector Garcia-Molina 《Information processing & management》1996,32(6):647-665

Many information-retrieval systems provides access to abstracts. For example, Stanford University, through its FOLIO system, provides access to the INSPEC database of abstracts of the literature on physics, computer science, electrical engineering, etc. In this article, this database is studied by using a trace-driven simulation. It focuses on a physical-index design that accommodates truncations, inverted-index caching, and database scaling in a distributed shared-nothing system. All three issues are shown to have a strong effect on response time and throughput. Database scaling is explored in two ways. One way assumes an “optimal” configuration for a single host and then linearly scales the database by duplicating the host architecture as needed. The second way determines the optimal number of hosts given a fixed database size.  相似文献   

Team building with Hispanic groups – Some considerations     

Hector M. Rios 《International journal for the advancement of counseling》1998,20(2):123-129

The present case study describes and seeks to understand a Hispanic group from the orientation of the insider. The use of culture specific information when assessing and intervening with diverse groups can be of assistance to practitioners as they think of approaches to consultation and counselling with clients as well as provide a framework for learning culture specific information and techniques. The case study follows an action research paradigm in the assessment and problem solving pertaining the client's situation. The findings are discussed in the light of multiculturalism.  相似文献   

Uses and abuses of statistical significance tests and other statistical resources: a comparative study     

Hector Monterde-i-Bort  Dolores Frías-Navarro  Juan Pascual-Llobell 《European Journal of Psychology of Education - EJPE》2010,25(4):429-447

The empirical study we present here deals with a pedagogical issue that has not been thoroughly explored up until now in our field. Previous empirical studies in other sectors have identified the opinions of researchers about this topic, showing that completely unacceptable interpretations have been made of significance tests and other statistical resources. We tried to show the degree to which these errors of interpretation appear in a sample of university professors and researchers. To evaluate the beliefs and opinions of the university professors about certain methodological and statistical questions, we adapted the "Psychometrics Group Instrument" questionnaire by Mittag (1999) and Mittag and Thompson (Educational Researcher 29:14-20, 2000). We specifically wanted to detect opinions about: (1) avoiding inappropriate interpretations, (2) rectifying incorrect uses, (3) creating a debate on possible alternatives, and (4) proposing editorial changes in the publication criteria. In this study, we compare the results we obtained with those obtained by two other equivalent studies (Gordon, Journal of Vocational Educational Research 26:1-18, 2001; Mittag and Thompson, Educational Researcher 29:14-20, 2000). The characteristics of the sample and the scope of the results are described, and a critical reflection is carried out on typical misunderstandings in interpretation that show a worrisome lack of understanding of some basic methodological and statistical concepts.  相似文献   

Predicting child maltreatment among Puerto Rican children from migrant and non-migrant families     

Eve M. Sledjeski  Lisa C. Dierker  Hector R. Bird  Glorisa Canino 《Child abuse & neglect》2009,33(6):382-392

ObjectivesThe objectives of the present study were to (1) describe the prevalence of child maltreatment among migrant and non-migrant Puerto Rican families and (2) identify socio-demographic and cultural (i.e., acculturation pattern, familismo) predictors of maltreatment within these two samples.MethodRepresentative community samples of Puerto Rican children (ages 5–13 at baseline) and their adult caretakers were interviewed at two sites: the South Bronx in New York City (n = 631 families) and the Standard Metropolitan Areas of San Juan and Caguas in Puerto Rico (n = 859 families). Participants were re-interviewed 1 and 2 years following the baseline assessment.ResultsWhile prevalence rates of maltreatment (physical abuse, 10%; sexual abuse 1%; neglect, 10%; and multi-type, 6%) did not differ between the two sites at baseline assessment, site differences emerged over time. Rates of physical abuse at follow-up were significantly higher in the Bronx compared to Puerto Rico. Further, for families living in the Bronx, living in poverty predicted chronic maltreatment, whereas living above the poverty line predicted new cases of maltreatment at follow-up. For families living in Puerto Rico, those who experienced physical abuse or multi-type maltreatment at baseline were more likely to report chronic maltreatment at follow-up regardless of poverty level. Cultural factors were not related to baseline or follow-up maltreatment at either site.ConclusionFindings suggest that while rates of child maltreatment may be similar in migrant and non-migrant Puerto Rican families and when compared to prevalence rates in the US, predictors of maltreatment may differ.Practice implicationsSince predictors of maltreatment may vary across population subgroups, studying homogenous samples will lead to more effective and targeted interventions.  相似文献   

THE COMMONWEALTH UNIVERSITIES CONGRESS     

Sir Hector Hetherington 《Higher Education Quarterly》1954,8(2):122-127

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Can educational policy equalize income distribution in Latin America?: Martin Carnoy in collaboration with José Lobo,Alejandro Toledo,and Jacques Velloso. Brookfield,VT: Renouf USA,Inc., 1979. Pp. 110. $16.25 (cloth)     

Hector Correa 《Economics of Education Review》1981,1(4):489-490

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