It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: https://blog-affsgdspp.gifthub.news/post/9502476831

  1. <!doctype html>
  2. <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en" prefix="og: http://ogp.me/ns#">
  3.  
  4.  <head>
  5.    <meta charset="utf-8">
  6.    <meta name="applicable-device" content="pc,mobile">
  7.    <meta name="viewport" content="width=device-width, initial-scale=1">
  8.    <title>Behavioral Segmentation for Targeted Advertising in Mobile Games #313701436237 (2025-02-01)</title>
  9.    <link rel="canonical" href="https://blog-affsgdspp.gifthub.news/post/9502476831">
  10.    <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Poppins:wght@400;700&display=swap">
  11.    <link rel="stylesheet" href="https://x.gifthub.news/static/css/style.css">
  12.    <script src="https://x.gifthub.news/static/js/lazysizes.min.js" async></script>
  13.    <link rel="shortcut icon" href="/favicon.ico">
  14.    <!-- Open Graph Metadata -->
  15.    <meta property="og:type" content="article" />
  16.    <meta property="og:title" content="Behavioral Segmentation for Targeted Advertising in Mobile Games" />
  17.    <meta property="og:description" content="Behavioral Segmentation for Targeted Advertising in Mobile Games #313701436237 (2025-02-01)" />
  18.    <meta property="og:url" content="https://blog-affsgdspp.gifthub.news/post/9502476831" />
  19.    <meta property="og:site_name" content="gifthub.news" />
  20.    <meta property="og:image" content="https://x.gifthub.news/static/images/post/2.jpg" />
  21.    <meta property="og:article:published_time" content="2025-02-01T07:43:57Z" />
  22.    <meta property="og:article:author" content="Dr. Edward Roberts" />
  23.    <meta property="og:article:section" content="gifthub.news" />
  24.    <meta property="og:article:tag" content="Games, Mobile Games, Video Games" />
  25.    <!-- Schema.org -->
  26.    <script type="application/ld+json">{
  27.            "@context": "https://schema.org",
  28.            "@type": "ScholarlyArticle",
  29.            "headline": "Behavioral Segmentation for Targeted Advertising in Mobile Games #313701436237 (2025-02-01)",
  30.            "author": {
  31.                "@type": "Person",
  32.                "name": "Dr. Edward Roberts",
  33.                "affiliation": {
  34.                    "@type": "Organization",
  35.                    "name": "gifthub.news"
  36.                },
  37.                "url": "https://blog-affsgdspp.gifthub.news/post/9502476831"
  38.            },
  39.            "datePublished": "2025-02-01T07:43:57Z",
  40.            "image": "https://x.gifthub.news/static/images/post/2.jpg",
  41.            "journal": {
  42.                "@type": "Periodical",
  43.                "name": "gifthub.news",
  44.                "issn": "10.1069/313701436237"
  45.            },
  46.            "publisher": {
  47.                "@type": "Organization",
  48.                "name": "gifthub.news",
  49.                "url": "https://blog-affsgdspp.gifthub.news"
  50.            },
  51.            "doi": "313701436237",
  52.            "abstract": "Behavioral Segmentation for Targeted Advertising in Mobile Games #313701436237 (2025-02-01)",
  53.            "citation": {
  54.                "@type": "CreativeWork",
  55.                "name": "Behavioral Segmentation for Targeted Advertising in Mobile Games",
  56.                "author": "Dr. Edward Roberts",
  57.                "datePublished": "2025-02-01T07:43:57Z",
  58.                "url": "https://blog-affsgdspp.gifthub.news/post/9502476831"
  59.            }
  60.        }
  61.    </script>
  62. </head>
  63.  
  64. <body>
  65.    <div class="site-mobile-menu site-navbar-target">
  66.        <div class="site-mobile-menu-header">
  67.            <div class="site-mobile-menu-close">
  68.                <span class="icofont-close js-menu-toggle"></span>
  69.            </div>
  70.        </div>
  71.        <div class="site-mobile-menu-body"></div>
  72.    </div>
  73.    <nav class="site-nav">
  74.        <div class="container">
  75.            <div class="site-navigation">
  76.                <div class="row">
  77.                    <div class="col-md-6 text-center order-1 order-md-2 mb-3 mb-md-0">
  78.                        <a href="https://blog-affsgdspp.gifthub.news" class="logo m-0 text-uppercase">gifthub.news</a>
  79.                    </div>
  80.                    <div class="col-md-3 order-3 order-md-1">
  81.                    </div>
  82.                </div>
  83.            </div>
  84.        </div>
  85.    </nav>
  86.    <div class="section post-section pt-5">
  87.        <div class="container">
  88.            <div class="row justify-content-center">
  89.                <div class="col-lg-8">
  90.                    <div class="text-center">
  91.                        <img src="https://x.gifthub.news/static/images/user/3.jpg" alt="Behavioral Segmentation for Targeted Advertising in Mobile Games" title="Behavioral Segmentation for Targeted Advertising in Mobile Games" class="author-pic img-fluid rounded-circle mx-auto">
  92.                    </div>
  93.                    <span class="d-block text-center">Edward Roberts</span>
  94.                    <span class="date d-block text-center small text-uppercase text-black-50 mb-5">2025-02-01</span>
  95.                    <h2 class="heading text-center">Behavioral Segmentation for Targeted Advertising in Mobile Games</h2>
  96.                    <p class="lead mb-4 text-center">Thanks to Edward Roberts for contributing the article "Behavioral Segmentation for Targeted Advertising in Mobile Games".
  97.                    </p>
  98.                    <img src="https://x.gifthub.news/static/images/post/2.jpg" alt="Behavioral Segmentation for Targeted Advertising in Mobile Games" title="Behavioral Segmentation for Targeted Advertising in Mobile Games" class="img-fluid rounded mb-4 lazyload">
  99.                    <p>This meta-analysis synthesizes existing psychometric studies to assess the impact of mobile gaming on cognitive and emotional intelligence. The research systematically reviews empirical evidence regarding the effects of mobile gaming on cognitive abilities, such as memory, attention, and problem-solving, as well as emotional intelligence competencies, such as empathy, emotional regulation, and interpersonal skills. By applying meta-analytic techniques, the study provides robust insights into the cognitive and emotional benefits and drawbacks of mobile gaming, with a particular focus on game genre, duration of gameplay, and individual differences in player characteristics.</p>
  100. <p>This research explores how mobile gaming influences cultural identity and expression across different regions. It examines the role of mobile games in cultural exchange, preservation, and the representation of diverse cultures. This research investigates how mobile gaming affects sleep quality and duration, considering factors such as screen time, game content, and player demographics. It provides insights into the health implications of mobile gaming habits.</p>
  101. <p>This paper explores the evolution of digital narratives in mobile gaming from a posthumanist perspective, focusing on the shifting relationships between players, avatars, and game worlds. The research critically examines how mobile games engage with themes of agency, identity, and technological mediation, drawing on posthumanist theories of embodiment and subjectivity. The study analyzes how mobile games challenge traditional notions of narrative authorship, exploring the implications of emergent storytelling, procedural narrative generation, and player-driven plot progression. The paper offers a philosophical reflection on the ways in which mobile games are reshaping the boundaries of narrative and human agency in digital spaces.</p>
  102. <p>This study examines the psychological effects of mobile game addiction, including its impact on mental health, social relationships, and academic performance. It also explores societal perceptions of gaming addiction and discusses potential interventions and preventive measures.</p>
  103. <p>This study explores the social and economic implications of microtransactions in mobile gaming, focusing on player behavior, spending patterns, and the potential for addiction. It also investigates the broader effects on the gaming industry, such as the shift in business models, the emergence of virtual economies, and the ethical concerns surrounding "pay-to-win" mechanics. The research offers policy recommendations to address these issues in a balanced manner.</p>
  104.  
  105.                    <p>
  106.                    <a href="/redirect/?url=https://blog-affsgdspp.gifthub.news/post/9502476831" target="_blank" class="custom-link">Link</a>
  107.                    </p>
  108.                    <p><a href="https://www.linegames.org/" target="_blank" class="custom-link">External link</a>
  109. <a href="https://www.iliiili.com/" target="_blank" class="custom-link">External link</a>
  110. <a href="https://www.digwow.net/" target="_blank" class="custom-link">External link</a>
  111. <a href="https://www.free-giftcodes.com/" target="_blank" class="custom-link">External link</a>
  112. <a href="https://www.gifthub.com.ru/" target="_blank" class="custom-link">External link</a>
  113. <a href="https://523845208441-edu.iliiili.com/" target="_blank" class="custom-link">External link</a>
  114. <a href="https://317693851503-edu.digwow.net/" target="_blank" class="custom-link">External link</a>
  115. <a href="https://362754907392-edu.free-giftcodes.com/" target="_blank" class="custom-link">External link</a>
  116. <a href="https://913867998758-edu.gifthub.com.ru/" target="_blank" class="custom-link">External link</a>
  117. <a href="https://143294620896-gov.iliiili.com/" target="_blank" class="custom-link">External link</a>
  118. <a href="https://396135336613-gov.digwow.net/" target="_blank" class="custom-link">External link</a>
  119. <a href="https://302278093412-gov.free-giftcodes.com/" target="_blank" class="custom-link">External link</a>
  120. <a href="https://874964504118-gov.gifthub.com.ru/" target="_blank" class="custom-link">External link</a>
  121. <a href="https://741412743071-gov-edu.iliiili.com/" target="_blank" class="custom-link">External link</a>
  122. <a href="https://870111409906-gov-edu.digwow.net/" target="_blank" class="custom-link">External link</a>
  123. <a href="https://356877652793-gov-edu.free-giftcodes.com/" target="_blank" class="custom-link">External link</a>
  124. <a href="https://968375463484-gov-edu.gifthub.com.ru/" target="_blank" class="custom-link">External link</a>
  125. <a href="https://525515151748-edu.iliiili.com/?url=https://blog-affsgdspp.gifthub.news/post/9502476831" target="_blank" class="custom-link">External link</a>
  126. <a href="https://504873170007-edu.digwow.net/?url=https://blog-affsgdspp.gifthub.news/post/9502476831" target="_blank" class="custom-link">External link</a>
  127. <a href="https://554892355806-edu.free-giftcodes.com/?url=https://blog-affsgdspp.gifthub.news/post/9502476831" target="_blank" class="custom-link">External link</a>
  128. <a href="https://412596447824-edu.gifthub.com.ru/?url=https://blog-affsgdspp.gifthub.news/post/9502476831" target="_blank" class="custom-link">External link</a>
  129. <a href="https://142243009498-gov.iliiili.com/?url=https://blog-affsgdspp.gifthub.news/post/9502476831" target="_blank" class="custom-link">External link</a>
  130. <a href="https://723214955114-gov.digwow.net/?url=https://blog-affsgdspp.gifthub.news/post/9502476831" target="_blank" class="custom-link">External link</a>
  131. <a href="https://859532056371-gov.free-giftcodes.com/?url=https://blog-affsgdspp.gifthub.news/post/9502476831" target="_blank" class="custom-link">External link</a>
  132. <a href="https://781621494815-gov.gifthub.com.ru/?url=https://blog-affsgdspp.gifthub.news/post/9502476831" target="_blank" class="custom-link">External link</a>
  133. <a href="https://link.naver.com/bridge?211822218271&amp;url=https://blog-affsgdspp.gifthub.news/post/9502476831" target="_blank" class="custom-link">External link</a>
  134. <a href="https://link.naver.com/bridge?476014282445&amp;url=https://naver476014282445-edu.digwow.net" target="_blank" class="custom-link">External link</a>
  135. <a href="https://link.naver.com/bridge?595987508691&amp;url=https://naver595987508691-edu.iliiili.com" target="_blank" class="custom-link">External link</a>
  136. <a href="https://link.naver.com/bridge?922749987698&amp;url=https://naver922749987698-edu.1717173.xyz" target="_blank" class="custom-link">External link</a>
  137. <a href="https://link.naver.com/bridge?027362912410&amp;url=https://naver027362912410-edu.gifthub.com.ru" target="_blank" class="custom-link">External link</a>
  138. <a href="https://link.naver.com/bridge?161920022396&amp;url=https://naver161920022396-gov.digwow.net" target="_blank" class="custom-link">External link</a>
  139. <a href="https://link.naver.com/bridge?295055967603&amp;url=https://naver295055967603-gov.iliiili.com" target="_blank" class="custom-link">External link</a>
  140. <a href="https://link.naver.com/bridge?895146152355&amp;url=https://naver895146152355-gov.1717173.xyz" target="_blank" class="custom-link">External link</a>
  141. <a href="https://link.naver.com/bridge?357687317922&amp;url=https://naver357687317922-gov.gifthub.com.ru" target="_blank" class="custom-link">External link</a>
  142. <a href="https://link.naver.com/bridge?418279568182&amp;url=https://naver418279568182-gov-edu.digwow.net" target="_blank" class="custom-link">External link</a>
  143. <a href="https://link.naver.com/bridge?798023669328&amp;url=https://naver798023669328-gov-edu.iliiili.com" target="_blank" class="custom-link">External link</a>
  144. <a href="https://link.naver.com/bridge?160852193011&amp;url=https://naver160852193011-gov-edu.1717173.xyz" target="_blank" class="custom-link">External link</a>
  145. <a href="https://link.naver.com/bridge?978896176979&amp;url=https://naver978896176979-gov-edu.gifthub.com.ru" target="_blank" class="custom-link">External link</a>
  146. <a href="https://blog-335278194189.gifthub.news/" target="_blank" class="custom-link">External link</a>
  147. <a href="https://blog-498890988777.jp-edu.sbs/" target="_blank" class="custom-link">External link</a>
  148. <a href="https://blog-484071905533.kr-edu.sbs/" target="_blank" class="custom-link">External link</a>
  149. <a href="https://blog-352771710590.krlinkedin.sbs/" target="_blank" class="custom-link">External link</a>
  150. <a href="https://blog-689466214612.mit-edu.sbs/" target="_blank" class="custom-link">External link</a>
  151. <a href="https://blog-813466792079.mit-edu.buzz/" target="_blank" class="custom-link">External link</a>
  152. <a href="https://blog-140109178115.mit-edu.tech/" target="_blank" class="custom-link">External link</a>
  153. <a href="https://blog-747108390636.mit-edu.site/" target="_blank" class="custom-link">External link</a>
  154. <a href="https://blog-306514428549.mit-edu.top/" target="_blank" class="custom-link">External link</a>
  155. <a href="https://blog-566478942663.usa-gov.top/" target="_blank" class="custom-link">External link</a>
  156. <a href="https://research-592665396057.mit-edu.pp.ua/?url=https://blog-affsgdspp.gifthub.news/post/9502476831" target="_blank" class="custom-link">External link</a>
  157. <a href="https://research-409354200948.harvard-edu.pp.ua/?url=https://blog-affsgdspp.gifthub.news/post/9502476831" target="_blank" class="custom-link">External link</a>
  158. <a href="https://research-842118478634.stanford-edu.pp.ua/?url=https://blog-affsgdspp.gifthub.news/post/9502476831" target="_blank" class="custom-link">External link</a>
  159. <a href="https://research-274879519554.cambridge-edu.pp.ua/?url=https://blog-affsgdspp.gifthub.news/post/9502476831" target="_blank" class="custom-link">External link</a>
  160. <a href="https://research-985070864176.berkeley-edu.pp.ua/?url=https://blog-affsgdspp.gifthub.news/post/9502476831" target="_blank" class="custom-link">External link</a>
  161. <a href="https://research-014888305782.oxford-edu.pp.ua/?url=https://blog-affsgdspp.gifthub.news/post/9502476831" target="_blank" class="custom-link">External link</a>
  162. <a href="https://research-644690198696-edu.wwv.pp.ua/?url=https://blog-affsgdspp.gifthub.news/post/9502476831" target="_blank" class="custom-link">External link</a>
  163. <a href="https://research-782209801389-edu.sean.pp.ua/?url=https://blog-affsgdspp.gifthub.news/post/9502476831" target="_blank" class="custom-link">External link</a>
  164. <a href="https://research-119697962421-edu.line.pp.ua/?url=https://blog-affsgdspp.gifthub.news/post/9502476831" target="_blank" class="custom-link">External link</a>
  165. </p>
  166.                    <div class="row mt-5 pt-5 border-top">
  167.                    </div>
  168.                </div>
  169.            </div>
  170.        </div>
  171.    </div>
  172.    <div class="section pb-0">
  173.        <div class="container">
  174.            <div class="row">
  175.                <div class="col-lg-12">
  176.                    <h2 class="heading">Related</h2>
  177.                </div>
  178.            </div>
  179.            <div class="row justify-content-center">
  180.                <div class="col-lg-12">
  181.                    <div class="post-entry d-md-flex small-horizontal mb-5">
  182.                        <div class="me-md-5 thumbnail mb-3 mb-md-0">
  183.                            <a href="https://blog-affsgdspp.gifthub.news/post/4283059176">
  184.                            <img src="https://x.gifthub.news/static/images/post/2.jpg" alt="Optimizing Interaction Design for Mobile Augmented Reality Escape Rooms" title="Optimizing Interaction Design for Mobile Augmented Reality Escape Rooms" class="img-fluid lazyload">
  185.                            </a>
  186.                        </div>
  187.                        <div class="content">
  188.                            <div class="post-meta mb-3">
  189.                                <a href="https://blog-4283059176.gifthub.news/post/4283059176/" target="_blank">
  190.                                <span class="date">2025-02-01</span>
  191.                                </a>
  192.                            </div>
  193.                            <h2 class="heading"><a href="https://blog-affsgdspp.gifthub.news/post/4283059176">Optimizing Interaction Design for Mobile Augmented Reality Escape Rooms</a></h2>
  194.                            <p class="info">This study explores the application of mobile games and gamification techniques in the workplace to enhance employee motivation, engagement, and productivity. The research examines how mobile games, particularly those designed for workplace environments, integrate elements such as leaderboards, rewards, and achievements to foster competition, collaboration, and goal-setting. Drawing on organizational behavior theory and motivation psychology, the paper investigates how gamification can improve employee performance, job satisfaction, and learning outcomes. The study also explores potential challenges, such as employee burnout, over-competitiveness, and the risk of game fatigue, and provides guidelines for designing effective and sustainable workplace gamification systems.</p>
  195.                            <a href="https://blog-affsgdspp.gifthub.news/post/4283059176" class="post-author d-flex align-items-center">
  196.                                <div class="author-pic">
  197.                                    <img src="https://x.gifthub.news/static/images/user/3.jpg" alt="Optimizing Interaction Design for Mobile Augmented Reality Escape Rooms" title="Optimizing Interaction Design for Mobile Augmented Reality Escape Rooms" class="lazyload">
  198.                                </div>
  199.                                <div class="text">
  200.                                    <strong>Michael Davis</strong>
  201.                                    <span>2025-02-01 published post</span>
  202.                                </div>
  203.                            </a>
  204.                        </div>
  205.                    </div>
  206.                </div>
  207.                <div class="col-lg-12">
  208.                    <div class="post-entry d-md-flex small-horizontal mb-5">
  209.                        <div class="me-md-5 thumbnail mb-3 mb-md-0">
  210.                            <a href="https://blog-affsgdspp.gifthub.news/post/8370295461">
  211.                            <img src="https://x.gifthub.news/static/images/post/10.jpg" alt="Self-Supervised Learning for Autonomous NPC Behavior in Large-Scale Games" title="Self-Supervised Learning for Autonomous NPC Behavior in Large-Scale Games" class="img-fluid lazyload">
  212.                            </a>
  213.                        </div>
  214.                        <div class="content">
  215.                            <div class="post-meta mb-3">
  216.                                <a href="https://blog-8370295461.gifthub.news/post/8370295461/" target="_blank">
  217.                                <span class="date">2025-02-01</span>
  218.                                </a>
  219.                            </div>
  220.                            <h2 class="heading"><a href="https://blog-affsgdspp.gifthub.news/post/8370295461">Self-Supervised Learning for Autonomous NPC Behavior in Large-Scale Games</a></h2>
  221.                            <p class="info">This research investigates how mobile gaming influences cognitive skills such as problem-solving, attention span, and spatial reasoning. It analyzes both positive and negative effects, providing insights into the potential educational benefits and drawbacks of mobile gaming.</p>
  222.                            <a href="https://blog-affsgdspp.gifthub.news/post/8370295461" class="post-author d-flex align-items-center">
  223.                                <div class="author-pic">
  224.                                    <img src="https://x.gifthub.news/static/images/user/20.jpg" alt="Self-Supervised Learning for Autonomous NPC Behavior in Large-Scale Games" title="Self-Supervised Learning for Autonomous NPC Behavior in Large-Scale Games" class="lazyload">
  225.                                </div>
  226.                                <div class="text">
  227.                                    <strong>Cynthia Bailey</strong>
  228.                                    <span>2025-02-01 published post</span>
  229.                                </div>
  230.                            </a>
  231.                        </div>
  232.                    </div>
  233.                </div>
  234.                <div class="col-lg-12">
  235.                    <div class="post-entry d-md-flex small-horizontal mb-5">
  236.                        <div class="me-md-5 thumbnail mb-3 mb-md-0">
  237.                            <a href="https://blog-affsgdspp.gifthub.news/post/9830475216">
  238.                            <img src="https://x.gifthub.news/static/images/post/4.jpg" alt="Generative AI for Crafting Real-Time Interactive Narratives in Games" title="Generative AI for Crafting Real-Time Interactive Narratives in Games" class="img-fluid lazyload">
  239.                            </a>
  240.                        </div>
  241.                        <div class="content">
  242.                            <div class="post-meta mb-3">
  243.                                <a href="https://blog-9830475216.gifthub.news/post/9830475216/" target="_blank">
  244.                                <span class="date">2025-02-01</span>
  245.                                </a>
  246.                            </div>
  247.                            <h2 class="heading"><a href="https://blog-affsgdspp.gifthub.news/post/9830475216">Generative AI for Crafting Real-Time Interactive Narratives in Games</a></h2>
  248.                            <p class="info">Virtual reality gaming has unlocked a new dimension of immersion, transporting players into fantastical realms where they can interact with virtual environments and characters in ways previously unimaginable. The sensory richness of VR experiences, coupled with intuitive motion controls, has redefined how players engage with games, blurring the boundaries between the digital realm and the physical world.</p>
  249.                            <a href="https://blog-affsgdspp.gifthub.news/post/9830475216" class="post-author d-flex align-items-center">
  250.                                <div class="author-pic">
  251.                                    <img src="https://x.gifthub.news/static/images/user/20.jpg" alt="Generative AI for Crafting Real-Time Interactive Narratives in Games" title="Generative AI for Crafting Real-Time Interactive Narratives in Games" class="lazyload">
  252.                                </div>
  253.                                <div class="text">
  254.                                    <strong>Anna Ross</strong>
  255.                                    <span>2025-02-01 published post</span>
  256.                                </div>
  257.                            </a>
  258.                        </div>
  259.                    </div>
  260.                </div>
  261.            </div>
  262.        </div>
  263.    </div>
  264.    <div class="py-5 bg-light mx-md-3 sec-subscribe">
  265.        <div class="container">
  266.            <div class="row">
  267.                <div class="col-lg-12">
  268.                    <h2 class="h4 fw-bold">Subscribe to newsletter</h2>
  269.                </div>
  270.            </div>
  271.            <form class="row">
  272.                <div class="col-md-8">
  273.                    <div class="mb-3 mb-md-0">
  274.                        <input type="email" class="form-control" placeholder="Enter your email">
  275.                    </div>
  276.                </div>
  277.                <div class="col-md-4 d-grid">
  278.                    <input type="submit" class="btn btn-primary" value="Subscribe">
  279.                </div>
  280.            </form>
  281.        </div>
  282.    </div>
  283.    <div class="site-footer">
  284.        <div class="container">
  285.            <div class="row justify-content-center copyright">
  286.                <div class="col-lg-7 text-center">
  287.                    <div class="widget">
  288.                        <p>Copyright &copy;
  289.                            <script>document.write(new Date().getFullYear());</script> All rights reserved.
  290.                        </p>
  291. <p>
  292.    < Top VPS Hosting Choice ><br>
  293.    <a href="https://evolution-host.com?ref=DQgZ6P" target="_blank">
  294.        <img src="https://x.gifthub.news/static/images/evolution-host.png" alt="Evolution Host" title="Evolution Host" class="evhost lazyload">
  295.    </a>
  296. </p>
  297.                    </div>
  298.                </div>
  299.            </div>
  300.        </div>
  301.    </div>
  302. </body>
  303.  
  304. </html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda