Quantifying social skill deficits and strengths profiles in autistic youth

While social difficulties in autism are well-established, questions remain regarding whether these represent challenges in acquiring or performing such skills, reduced social strengths, or a unique distribution across these domains (i.e., social profile). This study empirically derived social profiles of 211 autistic and non-autistic youth (M_age = 13.50; Autistic N = 150; Male N = 151; 85.3% White). Assessments occurred between 2016 and 2020. Results showed that autistic youth exhibit significantly more social acquisition and performance deficits and fewer strengths than nonautistic youth (ds = −.44 to .65). Performance deficits were most—and acquisition deficits least—prominent within autistic profiles, potentially implicating longstanding theoretical models of social difficulties in autism, and supporting new, idiographic approaches for conceptualizing, assessing, and treating social challenges.     

‘Marketization’ of higher education in Peru: Who attends private institutions and what are the perceived advantages (disadvantages)?

Debate continues on the effects of the global proliferation of private higher-educational institutions, especially for-profit institutions. We examine two related questions for Peru using mixed methods: Who attends private institutions and what are their perceived advantages/disadvantages? Longitudinal quantitative data suggest higher-educational segmentation starting early in life, whereby young people from wealthier households attended private institutions and those from poorer households attended public ones. Interviews with teachers, students, and staff provide insights on perceived strengths and drawbacks of higher-educational marketization and highlight the importance of family background in higher-educational choices, governmental regulation, and close monitoring of higher-educational quality.     

Hidden structure: Using network methods to map system architecture

In this paper, we describe an operational methodology for characterizing the architecture of complex technical systems and demonstrate its application to a large sample of software releases. Our methodology is based upon directed network graphs, which allows us to identify all of the direct and indirect linkages between the components in a system. We use this approach to define three fundamental architectural patterns, which we label core–periphery, multi-core, and hierarchical. Applying our methodology to a sample of 1286 software releases from 17 applications, we find that the majority of releases possess a “core–periphery” structure. This architecture is characterized by a single dominant cyclic group of components (the “Core”) that is large relative to the system as a whole as well as to other cyclic groups in the system. We show that the size of the Core varies widely, even for systems that perform the same function. These differences appear to be associated with different models of development – open, distributed organizations develop systems with smaller Cores, while closed, co-located organizations develop systems with larger Cores. Our findings establish some “stylized facts” about the fine-grained structure of large, real-world technical systems, serving as a point of departure for future empirical work.     

Understanding Early Elementary Children's Conceptual Knowledge of Plant Structure and Function through Drawings

This study examined children''s drawings to explain children''s conceptual understanding of plant structure and function. The study explored whether the children''s drawings accurately reflect their conceptual understanding about plants in a manner that can be interpreted by others. Drawing, survey, interview, and observational data were collected from 182 students in grades K and 1 in rural southeastern United States. Results demonstrated the children held a wide range of conceptions concerning plant structure and function. These young children held very simple ideas about plants with respect to both their structure and function. Consistent with the drawings, the interviews presented similar findings.     

Use of Social Emotional Learning Skills to Predict Future Academic Success and Progress Toward Graduation

This study evaluated the degree to which a range of social emotional learning skills—academic self-efficacy, academic motivation, social connections, importance of school, and managing psychological and emotional distress and academic stress— could be used as an indicator of future academic outcomes. Using a sample of 4,797 from a large urban school district, we found that high school students classified as performing in the lowest 25% of their grade reported lower social emotional skills than students classified in the top 25% of academic performers by the end of the 8th grade. Two variables, perceived importance of attending college and psychological and physical stress, accounted for nearly 26% of the variance in cumulative high school GPA after controlling for 9th-grade GPA. Finally, the results indicated that a combination of 5 social emotional learning subscales effectively discriminated between students making positive progress towards high school graduation and those identified as having dropped out of or failed more than 14% of their courses.     

Analysis of the 5 iron golf swing when hitting for maximum distance

Most previous research on golf swing mechanics has focused on the driver club. The aim of this study was to identify the kinematic factors that contribute to greater hitting distance when using the 5 iron club. Three-dimensional marker coordinate data were collected (250 Hz) to calculate joint kinematics at eight key swing events, while a swing analyser measured club swing and ball launch characteristics. Thirty male participants were assigned to one of two groups, based on their ball launch speed (high: 52.9 ± 2.1 m · s(-1); low: 39.9 ± 5.2 m · s(-1)). Statistical analyses were used to identify variables that differed significantly between the two groups. Results showed significant differences were evident between the two groups for club face impact point and a number of joint angles and angular velocities, with greater shoulder flexion and less left shoulder internal rotation in the backswing, greater extension angular velocity in both shoulders at early downswing, greater left shoulder adduction angular velocity at ball contact, greater hip joint movement and X Factor angle during the downswing, and greater left elbow extension early in the downswing appearing to contribute to greater hitting distance with the 5 iron club.     

School engagement and parental involvement: the case of cross-border students in Singapore

The primary purpose of this paper is to examine the mutual relationship between school engagement of cross-border students (CBS) from Malaysia in Singapore and parental involvement in education. Focus-group interviews were conducted with school personnel, CBS and their non-local counterparts to provide a comprehensive understanding of the situation. The cross-border student group comprises diverse ethnicity and most of them are highly competitive and successful in engaging in the whole educational selection process from the beginning to their exit point. This paper argues that education for the CBS represents both a unique socio-cultural phenomenon in the two Asian societies and a manifestation of a widely shared pragmatic value of educational returns. The findings reveal that the nature of CBS engagement with schools is characterized by voluntary assimilation and is rewarded by the meritocratic system of Singapore.     

A hierarchical approach to Students’ Assessments of Instruction

A teacher evaluation system can be threatening to faculty, especially if used for summative decisions. Therefore, it is important to obtain valid and pertinent information. Since students are extensively exposed to course elements, students’ evaluation of instruction should be one of several components in the teacher evaluation system. Since traditional methods, such as Cronbach’s alpha and ordinary least squares regression, do not address the hierarchical data of the classroom, the current study used the statistical techniques of confirmatory factor analysis and hierarchical linear modelling in order to properly investigate the reliability and validity of the Students’ Assessment of Instruction (SAI) instrument. Use of hierarchical linear modelling to analyse teacher evaluation instruments could not be found in the literature, although it has been used in educational settings. This study will illustrate its usefulness in determining what measures are related, either as evidence of validity or as a bias, to instructional effectiveness. Student responses were also compared with faculty self-evaluations, one indicator of effective teaching, in order to determine if the SAI does measure instructional effectiveness. Overall, the SAI was found to have good reliability and validity with relatively few biases and could be used to extract five distinguishable traits of instructional effectiveness.