نتایج جستجو برای: control studies

تعداد نتایج: 2580223  

2014
Cosme Alvarado-Esquivel Jesús Hernández-Tinoco Luis Francisco Sánchez-Anguiano Jorge Arturo Cisneros-Martínez

Psychiatric patients have a higher seroprevalence of toxocariasis than general population. However, there is poor knowledge about any specific psychiatric diagnosis associated with toxocariasis. The aim of the study was to determine whether seropositivity to Toxocara was associated with schizophrenia. Through an age and gender-matched case-control seroprevalence study in Durango City, Mexico, 5...

Journal: :International journal of clinical and experimental medicine 2015
Xiaosong Zhang Min Zhou Lijun Chen Bo Hao Gengli Zhao

Preterm birth is the leading cause of perinatal morbidity and mortality in China, the study is to learn risk factors for preterm birth in rural area of western China. A 1:1 case-control study in which cases included the pregnant women of preterm birth and controls included the matched pregnant women of normal deliver was conducted in 5 counties in western China. Data about the general situation...

2001
Yasuo Yamashita

Despite of the importance of effective cash management in passive investment, few analytical results could be found in this area except Connor & Leland(1995). They analyzed the cash management as a stochastic control problem. But futures are not taken into account in their model. Though the use of futures in hedging has disadvantages of possible large tracking error and extra trading cost due t...

Journal: :Memory & cognition 2008
Lillian Chen Julie E Boland

Two eyetracking-during-listening experiments showed frequency and context effects on fixation probability for pictures representing multiple meanings of homophones. Participants heard either an imperative sentence instructing them to look at a homophone referent (Experiment 1) or a declarative sentence that was either neutral or biased toward the homophone's subordinate meaning (Experiment 2). ...

2012
Mamoru Tochigi Atsushi Nishida Shinji Shimodera Norihito Oshima Ken Inoue Yuji Okazaki Tsukasa Sasaki

PURPOSE A number of studies have tried to identify risk factors for being involved in bullying in order to help developing preventive measures; however, to our knowledge, no study has investigated the effect of nocturnal lifestyle behavior such as sleep pattern or cellular phone usage. In the present study, we aimed to investigate the relationship between school bullying and sleep pattern or no...

2013
Hafiz Azhar Ali Khan Waseem Akram Sarfraz Ali Shad Muhammad Razaq Unsar Naeem-Ullah Khuram Zia

BACKGROUND House flies are of major public health concerns in areas with poor sanitation and hygienic conditions. Unfortunately, sanitation and hygiene have always been ignored in dairy farms particularly in the developing or low-income countries. Management of these flies mostly depends on the awareness regarding associated hazards and protective measures taken by the people to minimize risks ...

2016
Yook Chin Chia Hooi Chin Beh Chirk Jenn Ng Cheong Lieng Teng Nik Sherina Hanafi Wan Yuen Choo Siew Mooi Ching

OBJECTIVE To determine the prevalence of knee pain among 3 major ethnic groups in Malaysia. By identifying high-risk groups, preventive measures can be targeted at these populations. DESIGN AND SETTING A cross-sectional survey was carried out in rural and urban areas in a state in Malaysia. Secondary schools were randomly selected and used as sampling units. PARTICIPANTS Adults aged ≥18 yea...

2004
Francesca Biagini Tomas Björk

The timing option embedded in a futures contract allows the short position to decide when to deliver the underlying asset during the last month of the contract period. In this paper we derive, within a very general incomplete market framework, an explicit model independent formula for the futures price process in the presence of a timing option. We also provide a characterization of the optimal...

2014
Asher Koriat

Research in metacognition (Koriat, Ma'ayan, & Nussinson, 2006) suggests bi-directional links between monitoring and control during learning: When self-regulation is goal-driven, monitoring affects control so that increased study time (ST) enhances judgments of learning (JOLs), but when it is data-driven, JOLs are based on the feedback from control, and therefore JOLs decrease with ST under the ...

Journal: :Journal of hand therapy : official journal of the American Society of Hand Therapists 2015
Tracy M Shank Wendy Harron

INTRODUCTION Interactive Metronome (IM, The Interactive Metronome Company, Sunrise, Florida, USA) is a computer-based modality marketed to rehabilitation professionals who want to improve outcomes in areas of coordination, motor skills, self-regulation behaviors, and cognitive skills. PURPOSE This retrospective study examined the efficacy of IM training on improving timing skills, hand functi...

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