Use of Component-Specific Instruction to Promote Development of the Overarm Throw

1997 ◽  
Vol 16 (3) ◽  
pp. 340-356 ◽  
Author(s):  
Judith L. Oslin ◽  
Sandra Stroot ◽  
Daryl Siedentop

The purpose of this study was to examine the efficacy of a component-specific instruction (CSI) intervention to enhance overarm throw development in preschool children. The study also examined the sequence of components within the intervention, a force production sequence (FPS) versus a forward-chaining sequence (FCS). During daily inspection of the data, investigators noted changes in efficiency levels of nontargeted components. Therefore, a third research question emerged regarding the ancillary effects of CSI on efficiency levels of nontargeted components. For all participants, intervention was required on two or more of the following: step, rotation/backswing, elbow/backswing, forearm/forward, and rotation forward. CSI was found to be effective for improving the efficiency of the targeted component as well as overall throwing efficiency. Ancillary effects occurred repeatedly across nontargeted components during all but one condition of CSI. During follow-up, the degree to which efficiency levels were maintained varied from child to child.

1991 ◽  
Vol 33 (4) ◽  
pp. 279-294 ◽  
Author(s):  
Kathleen Williams ◽  
Kathleen Haywood ◽  
Ann Vansant

Previous investigations of the movement patterns of older adults have focused on functional movements. Performance declines have been reported with increasing age. Many investigations, however, do not require older adults to perform maximal, force producing actions. Smaller declines might be observed if older adults made a maximal effort. This investigation examined changes in a maximal skill—the overarm throw for force. Active, older adults were videotaped as they threw tennis balls. Thirteen people were filmed for two consecutive years. Gender and age differences were examined for movement patterns, ball velocity, and selected kinematic measures. Participants threw using patterns and velocities generally observed in children in middle elementary-school years. This result suggested there was a decline in this force production skill. Some older adults regressed in the movement patterns they used over the two years of testing. Older males threw faster, using more advanced movement patterns than older females.


2021 ◽  
pp. 1356336X2110562
Author(s):  
Björn Tolgfors ◽  
Mikael Quennerstedt ◽  
Erik Backman ◽  
Gunn Nyberg

In many countries, assessment for learning (AfL) is recommended in both policy and research as a concept that should be integrated into the teaching of physical education (PE) in schools. AfL is also part of physical education teacher education (PETE) programs in several countries and, consequently, something future PE teachers are expected to practice in their teaching. In a previous study ( Tolgfors et al., 2021 ), we showed how AfL was transmitted and transformed between a university course and a school placement course within Swedish PETE. In the current study, we have more closely followed three of the preservice teachers who took part in our initial study into their first year of PE teaching. The purpose of this follow-up study is thus to explore how AfL is enacted in the induction phase of PE teaching. The more specific research question is: how is AfL enacted in beginning teachers’ PE practices under the contextual conditions provided at the schools where they are employed? The data were generated through Stimulated Recall interviews and follow-up interviews via the online meeting software Zoom. The analysis was based on Braun et al.’s (2011) contextual dimensions of policy enactment and Bernstein’s (1996) pedagogic device. Our findings illustrate how AfL is generally enacted through (1) progression and (2) “rich tasks.” However, the contextual dimensions of each school provide different conditions that either support or hinder the use of AfL in PE. AfL is accordingly enacted in different ways in the induction phase of PE teaching.


2017 ◽  
Vol 119 (11) ◽  
pp. 1-34
Author(s):  
Marcela Reyes ◽  
Thurston Domina

Background Virtually all high schools offer a range of courses to allow students to enroll in four years of high school mathematics. However, only two thirds of U.S. high school graduates took mathematics courses each school year. Purpose/Research Question This study addresses three research questions: First, how do students’ math course enrollment and motivational beliefs (i.e., self-efficacy in math, math utility, interest in math, and college expectations) differ by math track? Second, what is the relationship between students’ motivational beliefs and their decision to take four years of math? Third, to what extent does this relationship vary by math track and whether a student passes or fails a math course? Much of the relevant prior literature approaches these relations primarily from an individualistic psychological perspective, viewing motivation as a student-level attribute that similarly effects students’ decision-making process. By contrast, our analyses take a more contextual approach, focusing particular attention on the ways in which students’ math track placements shape their academic approaches and moderate the link between motivation and course-taking. Research Design This study uses secondary restricted-access data from the nationally representative Education Longitudinal Study (ELS: 2002). Students were surveyed and tested in mathematics during the base year (2002). In the follow-up (2004) year, data collectors requested academic transcripts for all participants along with follow-up student surveys and an additional math exam. Findings Our results coincide with previous motivation research that shows that students opt to take additional math courses when they are interested in math, consider themselves skillful in math, and have high college expectations. But the motivational predictors of math course enrollment vary with students’ initial math placement. For above-track students, interest in math is the strongest indicator that they will take four years of math, followed by self-efficacy in mathematics and college expectations, respectively. In contrast, for both low-track and on-track students, the strongest indicator of taking four years of math is college expectations. Conclusions Our study focused on students’ motivation and course enrollment, but this does not diminish the importance of tracking, curricular rigor, and teacher pedagogy. This study provides an additional way to improve inequities in math course enrollment, which is by making explicit recommendations for enhancing students’ motivation. Understanding which particular beliefs have the greatest influence on specific student groups allows educators to appropriately allocate limited resources and increase math course enrollment. This would likely be more effective than a one-size-fits-all approach.


Author(s):  
Irene Lorentzen Hepsø ◽  
Vidar Hepsø

The authors address how performance indicators are configured and engineered in ERP-systems to follow up the activities of the knowledge workers in an oil and gas company. ERP-systems enable the development of new performance indicator systems, and give management simple dashboard tools to follow up and compare the performance of the organizational members across time and space. Decisions in organizations are increasingly taken on the basis of these abstract indicators that work as signs and inscriptions. This makes the development of such accounting indicators an interesting area of research because the representation of such indicators will to a large extent govern the decision making and practices of the organization. Who inscribes and controls the indicators controls the business. The authors discuss the development of such indicators as an inscription and translation process and how the indicators develop as a consequence of negotiations between influential actors. Finally, they address the consequences of these indicators and argue that they are dependent upon three key issues: the validity of the indicators, their reliability, and how indicators are negotiated. The authors’ research question is how do disparate organizational groups interplay with physical and technical elements to create indicators determining the work of high-tech business practitioners?


2020 ◽  
Vol 7 ◽  
pp. 2333794X2096157
Author(s):  
Solange Parra-Soto ◽  
Alejandra Ortega ◽  
Carlos Celis-Morales ◽  
Juliana Kain

In most childhood obesity preventive programs, parents are targeted as they are key in achieving lifestyle behavior change in their children. Because their participation is generally low, new technologies, such as text messaging, are being tested to assess if their participation increases. The objective of this study was to determine the perception that mothers of overweight/ obese preschool children have of a textmessaging program developed to support their children’s lifestyle behavior change. Text messages were sent to 60 mothers twice a week for 12 weeks; 58 of them said they received all of them. During the process mothers were contacted twice regarding their opinion on all aspects related to the messages. At follow-up, we determined perception by in depth interviews administered to participants. Results show that text messaging implemented in a personalized manner was considered successful in regards to providing useful information to support their children’s behavior change.


2015 ◽  
Vol 20 (5) ◽  
pp. e49-e50
Author(s):  
M Van den Heuvel ◽  
Y Chen ◽  
K Abdullah ◽  
J Maguire ◽  
P Parkin ◽  
...  

2020 ◽  
Vol 52 (1) ◽  
pp. 73-79
Author(s):  
María C. Souto-Gallardo ◽  
Montserrat Bacardí-Gascón ◽  
Sara Benjamin-Neelon ◽  
Arturo Jiménez-Cruz ◽  
Gisela Pineda-García

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