نتایج جستجو برای: internet problem

تعداد نتایج: 1034135  

Introduction The Internet is an integral part of our everyday life. Aside from its positive effects, what have garnered researchers’ attention are its adverse side effects and adolescents’ addiction to it. The present study aimed to determine the prevalence of Internet addiction and its relationship to anxiety, stress, and depression among Iranian high-school students in Shahr-e Kord, Iran. Mat...

Journal: :JTHTL 2009
Peter Swire

INTRODUCTION................................................................................... 107 I. REASONS FOR UNDERENFORCEMENT IN E-COMMERCE AND CYBERCRIME.................................................................... 109 A. Defining Underenforcement .................................................. 109 B. The Information Problem: “No Cop on the Beat” .................... 110 C. The...

Journal: :مدیریت فناوری اطلاعات 0
محسن نظری دانشیار گروه مدیریت بازرگانی، دانشکدۀ مدیریت دانشگاه تهران، تهران، ایران سید وحید طباطبائی کلجاهی دانشجوی دکتری مدیریت بازاریابی، دانشکدۀ مدیریت دانشگاه تهران، تهران، ایران

this research estimates the monetary value of internet information for each type of information and services by using hedonic pricing method. the statistic social of this research is high-speed internet users in tehran. based on the results, high speed internet users of tehran consider a positive monetary value for some information types in the internet, in descendent respect, such as film down...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده ریاضی و کامپیوتر 1390

برد عددی ماتریس مربعی a را با w(a) نشان داده و به این صورت تعریف می کنیم w(a)={x8ax:x ?s1} ، که در آن s1 گوی واحد است. در سال 2009، راسل کاردن مساله برد عددی معکوس را به این صورت مطرح کرده است : برای نقطه z?w(a)، بردار x?s1 را به گونه ای می یابیم که z=x*ax، در این پایان نامه ، الگوریتمی برای حل مساله برد عددی معکوس ارانه می دهیم.

Ehsan KazemnezhadLeili, Farzaneh Sheikholeslami, Nasrin Mokhtari Lakeh, Zahra Harsej,

Abstract Introduction: Family-related factors play an important role in adolescent’s addiction to the Internet. Objective: The aim of this study was to examine the relationship between Internet addiction and family functioning in high school students. Materials and Methods: This is an analytical  study with a cross-sectional design conducted on 796 high school students in Rasht city, Iran wh...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1387

چکیده ندارد.

Ebrahim Khaje, Hamidreza Mahboobi, Keramat Allah Jahanshahi, Nasim Arabzade, Nima Nesari, Zahra Jahangiri,

The ability to access, evaluate and use information in each profession is one of the most effective materials of individual success. Accessing updated medical information is vital for physicians (1-5). In a descriptive cross sectional study performed in Bandar Abbas, the capital city of Hormozgan province in the southern part of Iran. Data the internet and computer usage was examined among m...

Javad Eynypour, Maryam Bayat, Sara Pashang,

Background and Aim: Internet addiction means excessive and unnecessary use of the Internet. The aim of this study was to investigate the role of brain-behavioral systems in Internet addiction among university students. Materials and Methods: This was a descriptive and correlational research. The statistical population was all the students of Islamic Azad University, Karaj Branch in the academi...

Journal: Addiction and Health 2012
Fatemeh Bidi, Hadi Ahmadnia Hossein Kareshki Mahdi Namdari Pejman

Background: Internet addiction is one of the harmful effects of the Internet. The findings of several studies have indicated a relationship between general health and Internet addiction. Metacognition, which includes the knowledge, processes, and strategies to evaluate, and monitor or control the cognition, can play a significant role in this regard. The present research aimed to assess the me...

2006
M. Duerst AGU A. Gulbrandsen

Status of this Memo By submitting this Internet-Draft, each author represents that any applicable patent or other IPR claims of which he or she is aware have been or will be disclosed, and any of which he or she becomes aware will be disclosed, in accordance with Section 6 of BCP 79. Internet-Drafts are working documents of the Internet Engineering Task Force (IETF), its areas, and its working ...

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