Half-time interval: Interview with David Lacey and Patrick Barclay

2020 ◽  
pp. 195-204
Author(s):  
Rob Steen
Keyword(s):  
Time Interval ◽  
Half Time

scholarly journals The Effectiveness of Tablet-Based Application as a Medium for Feedback in Performance Analysis during a Competitive Match in Elite Soccer

2017 ◽  
Vol 6 (2) ◽  
Author(s):  
Rabiu Muazu Musa ◽  
Mohamad Razali Abdullah ◽  
Ahmad Bisyri Husin Musawi Maliki ◽  
Norlaila Azura Kosni ◽  
Siti Musliha Mat-Rashid ◽  
...  
Keyword(s):  
Data Collection ◽  
Team Performance ◽  
Soccer Players ◽  
Repeated Measure ◽  
Time Interval ◽  
Half Time ◽  
Performance Parameters ◽  
Significant Progress ◽  
Measure Anova

Tablet based application (TBA) has been shown to be useful in evaluating soccer players’ performance. However, a study investigating the ability of the application as a medium for feedback is desirable. This study aims to examine the effectiveness of TBA as a medium for feedback in real time at half-time interim of a competitive match in improving the performance of soccer players. StatWatch application was installed on a tablet phone and used as a device for data collection. Eleven performance analysts were recruited to assist in the data collection such that each performance analysts covered a particular player during the game. Players Performances were assessed based on performance parameters relevant to the demand of the game. Data were collected as the game progressed, and information was transmitted to the controller of the analysis before being relayed to the chief coach at the half time interval of the match. Matches of the club for eight weeks were analysed. One-way repeated measure ANOVA was used to assess the progress of the team in between the first and second halves of the matches played. The result shows improvement on the performances of the club at the second halves of the eight matches played (F (1, 14.10) = 8.94, p < .05). A follow-up test demonstrates a significant progress on the overall team performance from week1 to week 8, p > 0.001. TBA appeared to be a useful medium for providing feedback at a first half interval of a competitive match for improving the performance of soccer players during the subsequent. 

High-intensity Running Performance in Competitive Soccer Following the Half-time Interval

2011 ◽  
Vol 43 (Suppl 1) ◽  
pp. 857
Author(s):  
Caroline Sunderland ◽  
Bryan Saunders ◽  
Chris Mugglestone
Keyword(s):  
High Intensity ◽  
Time Interval ◽  
Half Time ◽  
Running Performance

scholarly journals Microtubule dynamics in vivo: a test of mechanisms of turnover.

1987 ◽  
Vol 104 (3) ◽  
pp. 395-405 ◽  
Author(s):  
P J Sammak ◽  
G J Gorbsky ◽  
G G Borisy
Keyword(s):  
Dynamic Instability ◽  
Leading Edge ◽  
Microtubule Dynamics ◽  
Time Interval ◽  
Half Time ◽  
Subunit Exchange ◽  
Time Points ◽  
Significant Probability ◽  
Resolution Single

Clarification of the mechanism of microtubule dynamics requires an analysis of the microtubule pattern at two time points in the same cell with single fiber resolution. Single microtubule resolution was obtained by microinjection of haptenized tubulin (fluorescein-tubulin) and subsequent indirect immunofluorescence with an antifluorescein antibody. The two time points in a single cell were, first, the time of photobleaching fluorescein-tubulin, and second, the time of fixation. The pattern of fluorescence replacement in the bleached zone during this time interval revealed the relevant mechanisms. In fibroblasts, microtubule domains in the bleached zone are replaced microtubule by microtubule and not by mechanisms that affect all microtubules simultaneously. Of the models we consider, treadmilling and subunit exchange along the length do not account for this observation, but dynamic instability can since it suggests that growing and shrinking microtubules coexist. In addition, we show that the half-time for microtubule replacement is shortest at the leading edge. Dynamic instability accounts for this observation if in general microtubules do not catastrophically disassemble from the plus end, but instead have a significant probability of undergoing a transition to the growing phase before they depolymerize completely. This type of instability we call tempered rather than catastrophic because, through limited disassembly followed by regrowth, it will preferentially replace polymer domains at the ends of microtubules, thus accounting for the observation that the half-time of microtubule domain replacement is shorter with proximity to the leading edge.

scholarly journals The effects of rational and irrational coach team talks on the cognitive appraisal and achievement goal orientation of varsity football athletes

2018 ◽  
Vol 13 (3) ◽  
pp. 431-438 ◽  
Author(s):  
Andrew L Evans ◽  
Martin J Turner ◽  
Richard Pickering ◽  
Rebecca Powditch
Keyword(s):  
Goal Orientation ◽  
Irrational Beliefs ◽  
Cognitive Appraisal ◽  
Achievement Goal ◽  
Achievement Goal Orientation ◽  
Time Interval ◽  
Half Time ◽  
Rational Beliefs ◽  
Football Match ◽  
Challenge Appraisal

The effects of rational and irrational coach team talks on cognitive appraisal and achievement goal orientation were examined. During the half-time interval of a 60 min football match, 25 male varsity football athletes ( Mage = 20.20; SD ± 1.38 years) received a rational ( n = 13) or an irrational ( n = 12) team talk from a coach. Irrational and rational beliefs were measured before the football match. Task engagement, cognitive appraisal (challenge and threat), and achievement goal orientation (approach and avoidance) regarding second-half football performance were measured following team talk delivery. Athletes in the rational team talk condition reported significantly lower threat appraisal and avoidance goal orientation than athletes in the irrational team talk condition. No significant between-condition differences emerged for challenge appraisal and approach goal orientation. For coaching practice, data suggest that communicating rational or irrational beliefs to football athletes through a half-time team talk will influence appraisal and achievement goal orientation regarding upcoming performance.

Letters. November editorial "It's only half-time"

1985 ◽  
Vol 19 (4) ◽  
pp. 293-293
Author(s):  
Earon Davis
Keyword(s):  
Half Time

Focusing of Visuospatial Attention

2001 ◽  
Vol 15 (4) ◽  
pp. 256-274 ◽  
Author(s):  
Caterina Pesce ◽  
Rainer Bösel
Keyword(s):  
Reaction Times ◽  
Visual Space ◽  
Spatial Relation ◽  
Stimulus Onset ◽  
Visuospatial Attention ◽  
Task Demands ◽  
Time Interval ◽  
Behavioral Studies ◽  
Task Conditions ◽  
Simple Rt

Abstract In the present study we explored the focusing of visuospatial attention in subjects practicing and not practicing activities with high attentional demands. Similar to the studies of Castiello and Umiltà (e. g., 1990) , our experimental procedure was a variation of Posner's (1980) basic paradigm for exploring covert orienting of visuospatial attention. In a simple RT-task, a peripheral cue of varying size was presented unilaterally or bilaterally from a central fixation point and followed by a target at different stimulus-onset-asynchronies (SOAs). The target could occur validly inside the cue or invalidly outside the cue with varying spatial relation to its boundary. Event-related brain potentials (ERPs) and reaction times (RTs) were recorded to target stimuli under the different task conditions. RT and ERP findings showed converging aspects as well as dissociations. Electrophysiological results revealed an amplitude modulation of the ERPs in the early and late Nd time interval at both anterior and posterior scalp sites, which seems to be related to the effects of peripheral informative cues as well as to the attentional expertise. Results were: (1) shorter latency effects confirm the positive-going amplitude enhancement elicited by unilateral peripheral cues and strengthen the criticism against the neutrality of spatially nonpredictive peripheral cueing of all possible target locations which is often presumed in behavioral studies. (2) Longer latency effects show that subjects with attentional expertise modulate the distribution of the attentional resources in the visual space differently than nonexperienced subjects. Skilled practice may lead to minimizing attentional costs by automatizing the use of a span of attention that is adapted to the most frequent task demands and endogenously increases the allocation of resources to cope with less usual attending conditions.

Attention Deficit and Disruptive Behavior Disorder Symptoms

2001 ◽  
Vol 17 (1) ◽  
pp. 25-35 ◽  
Author(s):  
G. Leonard Burns ◽  
James A. Walsh ◽  
David R. Patterson ◽  
Carol S. Holte ◽  
Rita Sommers-Flanagan ◽  
...  
Keyword(s):  
Attention Deficit ◽  
Rating Scales ◽  
Behavior Disorder ◽  
Disruptive Behavior Disorder ◽  
Subjective Rating ◽  
Time Interval ◽  
Assessment Procedure ◽  
Frequency Count ◽  
Hyperactivity Disorder ◽  
Oppositional Defiant

Summary: Rating scales are commonly used to measure the symptoms of attention deficit/hyperactivity disorder (ADHD), oppositional defiant disorder (ODD), and conduct disorder (CD). While these scales have positive psychometric properties, the scales share a potential weakness - the use of vague or subjective rating procedures to measure symptom occurrence (e. g., never, occasionally, often, and very often). Rating procedures based on frequency counts for a specific time interval (e. g., never, once, twice, once per month, once per week, once per day, more than once per day) are less subjective and provide a conceptually better assessment procedure for these symptoms. Such a frequency count procedure was used to obtain parent ratings on the ADHD, ODD, and CD symptoms in a normative (nonclinical) sample of 3,500 children and adolescents. Although the current study does not provide a direct comparison of the two types of rating procedures, the results suggest that the frequency count procedure provides a potentially more useful way to measure these symptoms. The implications of the results are noted for the construction of rating scales to measure the ADHD, ODD, and CD symptoms.

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