30 research outputs found

    The effects of auditory distraction on attention performance in asymptomatic college students with a history of mild head injury

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    Introduction: The majority of individuals experiencing a mild head injury (MHI) recover fully experiencing few residual symptoms. Some individuals who fully recover have shown evidence of residual, albeit subtle, brain functioning disturbances on tasks requiring high levels of cognitive effort. Also, memory complaints in MHI patients may be related to these subtle difficulties when cognitive resources are overwhelmed. This study assessed a group of asymptomatic college students with a history of MHI to determine if there were any residual attention difficulties as well as increased memory complaints. Method: One-hundred twelve college students with and without a history of MHI were administered several tests of attention. Participants were randomly assigned to a standard administration or distraction condition where they were exposed to distracting auditory stimuli. Memory complaints and subjective assessment of performance were collected after testing. Results: The MHI group showed significantly poorer performance on Trailmaking Test part A while under conditions of auditory distraction. There were no other differences between MHI and controls in the expected direction, but performance was slightly higher in the MHI group on Digit Span Backward and Symbol Search. There were no differences between MHI and controls for reported memory complaints, but the MHI group reported higher levels of stress when tested under distraction conditions. Conclusions: Even under distraction conditions, the MHI group performed within the average range across all measures of attention and were highly similar to a well-matched control group. Memory complaints were slightly higher in the MHI group tested under distraction conditions compared to the head-injured participants tested under standard conditions

    The Periodicity of Two Disconnecting Arc ‎Spaces

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    لتكن S قوس المفصول باثنين و  دالة مستمرة . ولتكن   لها نقطة ثابتة و نقطة دورية دوارها  لبعض الاعداد الصحيحة الفردية  . فانه لكل الاعداد الصحيحة  ,  تمتلك نقطة دورية لها دوارها  . اذا كانت  لها نقاط دورية دوراها  و حيث  اعداد صحيحة , فان مجموعة النقاط الدورية تكون غير منتهية . اخيرا , اذا مجموعة النقاط الدورية تكون منتهية , فانه يوجد عددان صحيحان و   مع   وبحيث ان مجموعة دوراتها  .Let  be two disconnecting arc and  be a continuous map . Suppose has a fixed point and a periodic point of period n for some odd integer .Then for every integer  ,  has a periodic point of period  . If  have periodic points of period  and  where  are odd integer numbers , then the set of periodic points are infinite . Finally , if the set of periodic points is finite , then there are two integers  and  with  and  such that the set of period is

    Benrabia Distribution: Properties and Applications

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    In this paper, we propose a new two parameter continuousdistribution. It is called a Benrabia distribution. Some statisticalproperties are derived such as: the moment generating function, the moments and related measures, the reliability analysis and related functions. Also, the distribution of order statistics and the quantile function are presented and  the  Reˊ\acute{e}nyi entropy is derived.The method of maximum likelihood estimation is used to estimate thedistribution parameters. A simulation is performed to investigate the performance of MLE, real data applications show that the proposed distribution can provide a better fit than several well-known distributions

    Benrabia Distribution: Properties and Applications

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    In this paper, we propose a new two parameter continuousdistribution. It is called a Benrabia distribution. Some statisticalproperties are derived such as: the moment generating function, the moments and related measures, the reliability analysis and related functions. Also, the distribution of order statistics and the quantile function are presented and  the  Reˊ\acute{e}nyi entropy is derived.The method of maximum likelihood estimation is used to estimate thedistribution parameters. A simulation is performed to investigate the performance of MLE, real data applications show that the proposed distribution can provide a better fit than several well-known distributions

    Type II Exponentiated Half Logistic Generated Family of Distributions with Applications

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    A new family of distributions called type II exponentiated half logistic is introduced and studied.  Four new special models are presented. Some mathematical properties of the new family are studied. Explicit expressions for the moments, probability weighted moments, quantile function, mean deviation, order statistics and Rényi entropy are investigated. Parameter estimation of the family are obtained based on maximum likelihood procedure. Two real data sets are employed to show the usefulness of the new family

    1884-03-13 The Independent

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    The Independent published on March 13, 1884

    Morocco: A case study in the structural basis of social integration

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    Thesis (Ph.D.)--Boston University.The purpose of the study is twofold: (1) to bring into objective focus the actual problems many new nations of America now face--i.e. those attendant to the process of building rapidly modern unitary societies from previously segmented, illiterate and primarily tradition-oriented populations; and (2) to broaden and develop social science theory to deal with this relatively new phenomenon. Morocco is our case study. It is immediately recognized that in order for any society, in sociological terms, to exist as an on-going system, it must have a minimal degree of social integration. The concept of social integration has been developed and defined in the context of already established societies. It implies, of course; that a social structure exists and that part of that social structure is devoted to integrative functions [TRUNCATED

    Annual reports of the town officers and inventory of polls and ratable property of Richmond, N.H. for the year ending January 31, 1942.

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    This is an annual report containing vital statistics for a town/city in the state of New Hampshire

    The BG News March 1, 1993

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    The BGSU campus student newspaper March 1, 1993. Volume 75 - Issue 109https://scholarworks.bgsu.edu/bg-news/6502/thumbnail.jp
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