Test and Analysis of Herding Behavior between Institutional Investors in Iran Stock Market

, M.Sc. Thesis Sharif University of Technology Rezaei, Mohammad (Author) ; Keshavarz Haddad, Gholamreza (Supervisor)

Abstract

Institutional investors are among the main players of capital market and stock market. These investor’s activities on the one hand affect directly on indices, and on the other hand on transactions of other players in the stock market. In case the transactions of stockholders are not based on sufficient information and merely based on imitation of other investors, herding behavior would be taken place within them.In this study, using two methods of Lakonishok (1992) & Sias (2004), we consider herding behavior amongst the Institutional investors of Iran stock market.In both methods, weekly and monthly data are used for testing herding behavior in the short-run and quarterly data for the...

Design and Impacts of Virtual Reality Games on Social and Cognitive Skills of Children with Autism Spectrum Disorder

, M.Sc. Thesis Sharif University of Technology Abbasi, Sajjad (Author) ; Taheri, Alireza (Supervisor) ; Meghdari, Ali (Supervisor)

Abstract

Autism is a neurodevelopmental disorder for which there is no definitive cure and it is increasing every year for people with this disorder. In the last decade, the use of virtual environment to improve the skills of people on the autism spectrum has increased. In this research, a semi-intelligent algorithm was designed for a virtual reality game that could provide a more appropriate step to the user according to the user's responses. Our focus is on designing games to strengthen the child in terms of shared attention and eye contact. In other words, we seek to create a virtual environment with the ability to intelligently adapt to interact with our user and turn it into a suitable coaching...

Modeling, Design, and the Application of Humanoid Robots in the Treatment of Children with Autism

, Ph.D. Dissertation Sharif University of Technology Taheri, Alireza (Author) ; Meghdari, Ali (Supervisor) ; Pouretemad, Hamid Reza (Co-Advisor) ; Alemi, Minoo (Co-Advisor)

Abstract

Statistics have shown an endemic worldwide increase of Autistic Spectrum Disorders (ASD) since the 1960s, Iran also faces the same problem. Autistic disorders are characterized by three major behavioral disorders: impaired social interaction, impaired communication, and impaired imagination and social creativity. The usage of robots in autism diagnosis and treatment has been increasing in recent years. In this study, our objective (as one of the pioneers in Iran) is to explore the clinical application of two interactive social humanoid robots (NAO and ALICE with the Iranian names of NIMA and MINA) as medical assistants in the treatment and education of children with autism in order to...

Modeling of Children’s Behaviors In Interaction with A Virtual Social Robot During A Music Education Program Using Deep Neural Networks

, M.Sc. Thesis Sharif University of Technology Tandiseh, Armin (Author) ; Taheri, Alireza (Supervisor)

Abstract

Autism Spectrum Disorder (ASD) is a neurodevelopmental condition characterized by difficulties in communication and social interaction, along with repetitive and restricted behaviors. Effective interventions are crucial to improving skills and the quality of life for individuals with ASD. Music is a promising therapeutic approach that can help enhance social communication, emotional regulation, and sensory integration in children with ASD. Music therapy or education uses music to achieve therapeutic goals like improving social skills, reducing anxiety, and addressing communication challenges. Combining music-based games with virtual reality (VR) technology offers an immersive, multisensory...