The Observer Behavior Observation System Is Used To Study The Influence Of Self - Control 's Anti - Language Effect On Tennis Serve

The purpose of researching the thesis is to get to know the ironic effect of self-control when failed to serve the tennis balls, the Content of the study is to use the Observer behavioral system to analysis the tennis serve motion and facial expressions under ironic effect of self-control.The study focused on the pressure conditions of high, low, the effects of positive, negative, and no impact on the tennis ball serves aimed at the exam took by the college students from tennis major.This article follows the experimental design,38 subjects will be equally distributed to a random sample of two stress scenarios in three categories language instruction,negative language instruction is"don’t under the net,don’t out of the bounds"; While positive instruction is’Tlease take it easy and complete the technical essentials the teacher talked about",and non-language instruction-Adding some additional experiment operates at high pressure scenarios, and it was informed that be tested counts increased on their serves, and join the audience at the exam subjects onlookers,which increase the pressure on the be tested in the exams.In all those involved in the experiment, students were required to serve two,and serve 5 pairs in each round,the 5 pairs of balls were served turn around areas in turn.Besides, teachers announced different experiments guidances to each group,and students were requested that each be tested are forbidden to know the guidances of other 2 be tested groups,the lab assistant gave the different guidances to the students who were serving.The experiment was carried out with a video camera, putting the video into the Observer behavioral system to analyze the differences of each serve actions, numbers of action occurs, as well as changes in the expression in two rounds serves.The compulsory exercise are bouncing,dropping,hitting and waving,apart from these actions are ineffectiveness.The expressions are limited in expressionless face, happy, smile, regret, sadness, disappointment and tension.To testify that the ironic of self-control is exsited through tennis serve under different instruction and pressures to observe movements and facial expressions.The results from the Observer behavioral system are:Under high pressure unnecessary movements,bounce time, turnovers and the number of expression changes are higher than that under low pressure; the group of positive guidance have no obvious differences in times and numbers under those 2 pressures;non-guidance group has no significant under high and low pressures either.Which suggested that it exsited the ironic effects under high pressure,and negative guidance acts the opposite effects on be tested.Though the Observer behavioral system is seldom used in sports field, it will be helpful to observe the behaviors of the students through their actions and facial expressions;meanwhile,it is necessary for teachers and coaches to imply students and athletes by using positive guidances other than negative.