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فعلًا؟",{"key":156,"path":503,"name":163},"\u002Far\u002Ffacts\u002Finput-lag",[505,518,530,546,556,568],{"n":171,"id":170,"kind":506,"authors":507,"year":508,"title":509,"venue":510,"doi":511,"url":512,"population":513,"notes":514},"source","Spjut, J., Boudaoud, B., Binaee, K., Kim, J., Majercik, A., McGuire, M., Luebke, D., & Kim, J.",2019,"Latency of 30 ms benefits first person targeting tasks more than refresh rate above 60 Hz","SIGGRAPH Asia 2019 Technical Briefs","10.1145\u002F3355088.3365170","https:\u002F\u002Fresearch.nvidia.com\u002Fpublication\u002F2019-11_Latency-of-30","Eight skilled esports players aged 27 to 36",[515],{"date":159,"url":516,"quote":517},"https:\u002F\u002Fresearch.nvidia.com\u002Fsites\u002Fdefault\u002Ffiles\u002Fpubs\u002F2019-11_Latency-of-30\u002FFPS_Tasks_sa2019_AuthorVersion.pdf","Title: \"Latency of 30 ms Benefits First Person Targeting Tasks More Than Refresh Rate Above 60 Hz\". Abstract: \"we isolate latency and refresh rate by artificially increasing latency when operating at high refresh rates. Eight skilled esports athletes then perform gaming-inspired first person targeting tasks under varying conditions of refresh rate and latency\" \"We show that reduced latency has a clear benefit in task completion time while increased refresh rate has relatively minor effects on performance when the inherent latency reduction present at high refresh rates is removed.\" \"Subjects. Eight subjects (aged 27-36)\" \"The selected refresh rates were: 60 Hz (today's baseline), 120 Hz (today's gamer), 240 Hz (gaming enthusiast) and 360 Hz (experimental).\" Table 1, click to photon latency at 60 Hz: \"22 (6.0) 55 (5.9) 88 (5.8)\". Figure 1: \"For the 1-hit tasks, latency has a significant effect on task completion times while the effect of refresh rate is not statistically significant.\"",{"n":185,"id":184,"kind":506,"authors":519,"year":520,"title":521,"venue":522,"doi":523,"url":524,"population":525,"notes":526},"Pronk, T., Wiers, R. W., Molenkamp, B., & Murre, J.",2020,"Mental chronometry in the pocket? Timing accuracy of web applications on touchscreen and keyboard devices","Behavior Research Methods, 52(3), 1371–1382","10.3758\u002Fs13428-019-01321-2","https:\u002F\u002Fpmc.ncbi.nlm.nih.gov\u002Farticles\u002FPMC7280355\u002F","Four devices from 2015 and 2016: a MacBook Pro, an ASUS laptop, a Samsung Galaxy S7 and an iPhone 6S, pressed by a robot",[527],{"date":159,"url":528,"quote":529},"https:\u002F\u002Fwww.ebi.ac.uk\u002Feuropepmc\u002Fwebservices\u002Frest\u002FPMC7280355\u002FfullTextXML","Abstract: \"In controlled circumstances, as can be realized in a lab setting, very accurate stimulus timing and moderately accurate RT measurements could be achieved on both touchscreen and keyboard devices, though RTs were consistently overestimated.\" Table 4 \"Descriptives of RT overestimations (in milliseconds) per device and browser\" (OS, Web Browser, Minimum, Maximum, Mean, SD): \"Android Chrome 46.0 103.5 69.8 7.4\", \"iOS Safari 48.3 96.3 57.6 6.5\", \"MacOS Safari 93.0 163.7 132.9 8.1\", \"Windows Chrome 64.7 70.6 68.5 1.7\", \"Windows Firefox 49.8 84.9 61.9 5.7\".",{"n":531,"id":532,"kind":533,"authors":534,"year":535,"title":536,"venue":537,"doi":538,"url":539,"participants":540,"population":541,"notes":542},3,"woods-2015","sample","Woods, D. L., Wyma, J. M., Yund, E. W., Herron, T. J., & Reed, B.",2015,"Factors influencing the latency of simple reaction time","Frontiers in Human Neuroscience, 9, 131","10.3389\u002Ffnhum.2015.00131","https:\u002F\u002Fwww.frontiersin.org\u002Fjournals\u002Fhuman-neuroscience\u002Farticles\u002F10.3389\u002Ffnhum.2015.00131\u002Ffull","1,469","Community volunteers in Rotorua, New Zealand, aged 18 to 65 (mean age 45.8, 40% men)",[543],{"date":544,"url":539,"quote":545},"2026-10-01","Abstract: \"Experiment 1 examined a community sample of 1469 subjects ranging in age from 18 to 65. Mean SRT latencies were short (231, 213 ms when corrected for hardware delays) and increased significantly with age (0.55 ms\u002Fyear)\". Table 2, column Experiment 1: \"N 1469\", \"SRT 230.8\", \"SRT SD 26.8\".",{"n":356,"id":355,"kind":533,"authors":547,"year":548,"title":549,"venue":550,"url":551,"population":552,"notes":553},"Logitech",2026,"Customize G PRO gaming mouse pointer settings with Logitech Gaming Software","Logitech Support","https:\u002F\u002Fsupport.logi.com\u002Fhc\u002Fen-us\u002Farticles\u002F360023183294-Customize-G-PRO-gaming-mouse-pointer-settings-with-Logitech-Gaming-Software","A gaming mouse and its settings, as the maker describes them",[554],{"date":159,"url":551,"quote":555},"\"Change the Report Rate, if you prefer something other than the default of 1000 reports\u002Fsecond (1ms response time). The Report Rate controls how often your mouse updates its position to the computer. NOTE: The possible range is from 125\u002Fsec (8ms response time) to 1000\u002Fsec (1ms response time).\"",{"n":385,"id":384,"kind":506,"authors":557,"year":558,"title":559,"venue":560,"doi":561,"url":562,"population":563,"notes":564},"Anwyl-Irvine, A., Dalmaijer, E. S., Hodges, N., & Evershed, J. K.",2021,"Realistic precision and accuracy of online experiment platforms, web browsers, and devices","Behavior Research Methods, 53(4), 1407–1425","10.3758\u002Fs13428-020-01501-5","https:\u002F\u002Fpmc.ncbi.nlm.nih.gov\u002Farticles\u002FPMC8367876\u002F","Desktop and laptop computers with Windows 10 and macOS, pressed by a robot; and the equipment of 202,600 online participants",[565],{"date":159,"url":566,"quote":567},"https:\u002F\u002Fwww.ebi.ac.uk\u002Feuropepmc\u002Fwebservices\u002Frest\u002FPMC8367876\u002FfullTextXML","Abstract: \"We then employed a robot actuator in realistic set-ups to measure response recording across the aforementioned platforms, and between different keyboard types (desktop and integrated laptop).\" \"We found that modern web platforms provide reasonable accuracy and precision for display duration and manual response time\". Table 2 \"RT delay is calculated as the difference between known and recorded RT.\" Browser means: \"Chrome 78.81\", \"Edge 80.10\", \"Firefox 82.30\", \"Safari 76.50\"; device means: \"macOS-Desktop 85.35\", \"Windows-Desktop 76.24\", \"Windows-Laptop 73.65\". Results: \"We found that 77% of these devices were desktop or laptop computers, whereas only 20% were mobile devices\" \"Based on a sample of 202,600 participants.\"",{"n":426,"id":425,"kind":506,"authors":569,"year":520,"title":570,"venue":571,"doi":572,"url":573,"notes":574},"Bridges, D., Pitiot, A., MacAskill, M. R., & Peirce, J. W.","The timing mega-study: comparing a range of experiment generators, both lab-based and online","PeerJ, 8, e9414","10.7717\u002Fpeerj.9414","https:\u002F\u002Fpmc.ncbi.nlm.nih.gov\u002Farticles\u002FPMC7512138\u002F",[575],{"date":159,"url":576,"quote":577},"https:\u002F\u002Fpubmed.ncbi.nlm.nih.gov\u002F33005482\u002F","Abstract: \"Among the lab-based experiments, Psychtoolbox, PsychoPy, Presentation and E-Prime provided the best timing, all with mean precision under 1 millisecond across the visual, audio and response measures.\" \"Online studies did not deliver the same level of precision as lab-based systems, with slightly more variability in all measurements.\" \"For response times (measured using a high-performance button box), most of the packages achieved precision at least under 10 ms in all browsers, with PsychoPy achieving a precision under 3.5 ms in all.\" \"The results, from over 110,000 trials, highlight the wide range of timing qualities that can occur even in these dedicated software packages for the task.\"",{"heading":579,"items":580},"أسئلة",[581,588,600,607],{"q":582,"a":583},"هل شاشة 144 Hz تجعلك تستجيب أسرع؟",[584],{"type":263,"text":585},[586],{"t":166,"v":587},"ليست ردة فعلك أنت. هي تقلل تأخير الشاشة قليلًا، فينخفض زمنك المقيس قليلًا. وفي دراسة على لاعبي الرياضات الإلكترونية ساعد التأخير الأقل التصويب بوضوح، بينما لم يغيّر معدل التحديث وحده، مع تثبيت التأخير، إلا قليلًا.",{"q":589,"a":590},"كم input lag يضيف المتصفح؟",[591],{"type":263,"text":592},[593,595,596,597,598],{"t":166,"v":594},"على الحواسيب المحمولة والهواتف اليومية التي اختُبرت بروبوت، كانت الأزمنة المسجلة أبطأ من الواقع بمتوسط من ",{"t":175,"v":176},{"t":166,"v":248},{"t":175,"v":180},{"t":166,"v":599}," ملي ثانية، بحسب الجهاز والمتصفح.",{"q":601,"a":602},"هل تستحق فأرة 1000 Hz؟",[603],{"type":263,"text":604},[605],{"t":166,"v":606},"هي تقصّر انتظار التقرير التالي ببضعة أجزاء من ألف من الثانية. وهذا حقيقي لكنه صغير بالنسبة إلى باقي السلسلة وإلى ردة الفعل البشرية.",{"q":608,"a":609},"لماذا يختلف زمن ردة فعلي على حاسوب آخر؟",[610],{"type":263,"text":611},[612],{"t":166,"v":613},"لأن كل جهاز يضيف تأخيره الخاص. وجدت اختبارات الروبوت عشرات الأجزاء من ألف من الثانية من الفرق بين المتصفحات والأجهزة، فقارن نتائجك على جهاز واحد.","تابع القراءة",{"label":616,"to":99,"key":98},"افحص معدل تحديث شاشتك","المصادر",[619,636,658,668,694,710],{"section":6,"hub":9,"cards":620},[621,624,628,632],{"key":12,"test":12,"path":13,"title":493,"line":622,"minutes":171,"devices":623},"اعرف مدى سرعتك حين تتحوّل الشاشة إلى الأخضر.",{"mouse":14,"touch":14,"keyboard":14},{"key":16,"test":16,"path":17,"title":625,"line":626,"minutes":171,"devices":627},"f1 reaction test: اختبار الانطلاق","اعرف مدى سرعة انطلاقك حين تنطفئ خمسة أضواء حمراء.",{"mouse":14,"touch":14,"keyboard":14},{"key":19,"test":19,"path":20,"title":629,"line":630,"minutes":171,"devices":631},"اختبار رد الفعل السمعي","اعرف مدى سرعتك في الاستجابة لصوت صفير.",{"mouse":14,"touch":14,"keyboard":14},{"key":23,"test":23,"path":24,"title":633,"line":634,"minutes":171,"devices":635},"تدريب الايم","اعرف مدى سرعتك ودقتك في إصابة الأهداف.",{"mouse":14,"touch":14,"keyboard":21},{"section":26,"hub":29,"cards":637},[638,642,646,650,654],{"key":32,"test":32,"path":33,"title":639,"line":640,"minutes":171,"devices":641},"اختبار cps","اعرف كم مرة تستطيع أن تنقر في الثانية.",{"mouse":14,"touch":14,"keyboard":21},{"key":35,"test":35,"path":36,"title":643,"line":644,"minutes":171,"devices":645},"spacebar clicker: عدّاد ضغطات مفتاح المسافة","اعرف مدى سرعتك في الضغط على مفتاح المسافة.",{"mouse":21,"touch":21,"keyboard":14},{"key":38,"test":38,"path":39,"title":647,"line":648,"minutes":171,"devices":649},"عدد النقرات","عُدّ أي شيء تريده بزر واحد كبير.",{"mouse":14,"touch":14,"keyboard":14},{"key":41,"test":41,"path":42,"title":651,"line":652,"minutes":171,"devices":653},"tap tempo: اعرف سرعة الإيقاع بالنقر","انقر مع الإيقاع واعرف ما سرعته.",{"mouse":14,"touch":14,"keyboard":14},{"key":44,"test":44,"path":45,"title":655,"line":656,"minutes":171,"devices":657},"اختبار APM","اعرف كم فعلًا تؤدي في الدقيقة بلوحة المفاتيح والفأرة.",{"mouse":14,"touch":21,"keyboard":14},{"section":47,"hub":50,"cards":659},[660,664],{"key":53,"test":53,"path":54,"title":661,"line":662,"minutes":171,"devices":663},"اختبار سرعة الكتابة","اعرف مدى سرعتك ودقتك في الكتابة.",{"mouse":21,"touch":14,"keyboard":14},{"key":56,"test":56,"path":57,"title":665,"line":666,"minutes":531,"devices":667},"اختبار سرعة القراءة","اعرف مدى سرعة قراءتك مع فهم النص.",{"mouse":14,"touch":14,"keyboard":14},{"section":59,"hub":62,"cards":669},[670,674,678,682,686,690],{"key":65,"test":65,"path":66,"title":671,"line":672,"minutes":531,"devices":673},"اختبار ذاكرة الأرقام","اعرف كم رقمًا تستطيع أن تحتفظ به في ذهنك.",{"mouse":14,"touch":14,"keyboard":14},{"key":68,"test":68,"path":69,"title":675,"line":676,"minutes":531,"devices":677},"اختبار الذاكرة البصرية","اعرف كم مربعًا تتذكر على شبكة تكبر.",{"mouse":14,"touch":14,"keyboard":14},{"key":71,"test":71,"path":72,"title":679,"line":680,"minutes":531,"devices":681},"اختبار ذاكرة التسلسل","اعرف أطول تسلسل من المربعات المضيئة تستطيع أن تكرره.",{"mouse":14,"touch":14,"keyboard":14},{"key":74,"test":74,"path":75,"title":683,"line":684,"minutes":531,"devices":685},"اختبار الذاكرة اللفظية","اعرف كم كلمة تستطيع أن تميّز بين ما رأيته منها وما هو جديد.",{"mouse":14,"touch":14,"keyboard":14},{"key":77,"test":77,"path":78,"title":687,"line":688,"minutes":531,"devices":689},"اختبار الشمبانزي","اعرف كم رقمًا تتذكر بعد أن تختفي.",{"mouse":14,"touch":14,"keyboard":21},{"key":80,"test":80,"path":81,"title":691,"line":692,"minutes":531,"devices":693},"اختبار التركيز","اعرف مدى قدرتك على تجاهل كلمة وأنت تسمّي لونها.",{"mouse":14,"touch":14,"keyboard":14},{"section":83,"hub":86,"cards":695},[696,700,704,707],{"key":89,"test":89,"path":90,"title":697,"line":698,"minutes":171,"devices":699},"اختبار لوحة المفاتيح","اضغط مفاتيحك وانظر أيها يعمل.",{"mouse":21,"touch":21,"keyboard":14},{"key":92,"test":92,"path":93,"title":701,"line":702,"minutes":171,"devices":703},"اختبار الماوس","افحص كل زر في الفأرة وعجلتها.",{"mouse":14,"touch":21,"keyboard":21},{"key":95,"test":95,"path":96,"title":487,"line":705,"minutes":171,"devices":706},"اعرف كم مرة تبلّغ فأرتك عن موضعها.",{"mouse":14,"touch":21,"keyboard":21},{"key":98,"test":98,"path":99,"title":468,"line":708,"minutes":171,"devices":709},"اعرف كم صورة في الثانية تعرضها شاشتك.",{"mouse":14,"touch":14,"keyboard":14},{"section":101,"hub":104,"cards":711},[712,717,722,726,730,734,738,743],{"key":107,"test":107,"path":108,"title":713,"line":714,"minutes":715,"devices":716},"اختبار العوامل الخمسة الكبرى للشخصية","نظرة طويلة ودقيقة إلى خمس سمات واسعة، مع تفصيل أكثر لكل منها.",20,{"mouse":14,"touch":14,"keyboard":14},{"key":110,"test":110,"path":111,"title":718,"line":719,"minutes":720,"devices":721},"اختبار الشخصية","خمسون عبارة قصيرة عن حالك المعتادة، لخمس سمات واسعة.",8,{"mouse":14,"touch":14,"keyboard":14},{"key":113,"test":113,"path":114,"title":723,"line":724,"minutes":185,"devices":725},"اختبار شخصية سريع","عشر عبارات قصيرة: رسم سريع لخمس سمات واسعة.",{"mouse":14,"touch":14,"keyboard":14},{"key":116,"test":116,"path":117,"title":727,"line":728,"minutes":715,"devices":729},"اختبار أنماط الشخصية الـ 16","انظر إلى إجاباتك في العوامل الخمسة الكبرى على شكل أربعة مفاتيح ورمز من أربعة أحرف.",{"mouse":14,"touch":14,"keyboard":14},{"key":119,"test":119,"path":120,"title":731,"line":732,"minutes":720,"devices":733},"اختبار الميول المهنية","اعرف أي أنواع النشاط تميل إليها أكثر.",{"mouse":14,"touch":14,"keyboard":14},{"key":122,"test":122,"path":123,"title":735,"line":736,"minutes":385,"devices":737},"اختبار الثالوث المظلم","استبيان قصير عن أربعة جوانب أقل لطفًا في الشخصية.",{"mouse":14,"touch":14,"keyboard":14},{"key":125,"test":125,"path":126,"title":739,"line":740,"minutes":741,"devices":742},"اختبار التوجه السياسي","اعرف أين تقف على أربعة مقاييس للقيم.",10,{"mouse":14,"touch":14,"keyboard":14},{"key":128,"test":128,"path":129,"title":744,"line":745,"minutes":185,"devices":746},"اختبار تقدير الذات","استبيان قصير عن نظرتك إلى نفسك.",{"mouse":14,"touch":14,"keyboard":14},1791315184594]