Meredith David, Ph.D.

Associate Professor, Marketing Baylor University

  • Waco TX

Expert in innovative marketing strategies, including emerging technologies & the psychological impact of social media platforms

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Spotlight

2 min

Why TikTok Keeps You Scrolling: Baylor Research Explains the Science Behind Social Media Addiction

Why is it so hard to stop scrolling TikTok? A new study by Baylor University marketing professors and social media researchers James A. Roberts, Ph.D. and Meredith E. David, Ph.D., reveals that the answer lies not only in the app’s content, but in its design. Their research, published in the journal Cyberpsychology, Behavior, and Social Networking, is among the first to compare the technological affordances – the built-in design features that shape user behavior – of three leading short-form video (SFV) platforms: TikTok, Instagram Reels and YouTube Shorts. The findings reveal that TikTok’s combination of ease of use, highly accurate recommendations and surprising content variety creates a powerful recipe for user engagement – and, in many cases, addiction. The power of effortless design In their study, Roberts and David had participants rate each platform on three key technological affordances: perceived effortlessness, recommendation accuracy and serendipity (the element of surprise) and answer questions measuring their levels of social media engagement and addictive use. The results were clear: TikTok scored significantly higher than Instagram Reels or YouTube Shorts across all categories. Users in the study said TikTok required the least effort to use, delivered the most relevant videos and surprised them most often with unexpected but enjoyable content. “It’s the combination of all three that keeps people scrolling,” David said. “But the prerequisite is effortlessness. Without that ease of use, the other two wouldn’t matter as much.” TikTok’s seamless experience – where videos begin playing automatically the moment the app opens – creates a sense of immersion unmatched by competitors. Other platforms require users to click or select a video before viewing begins, a subtle difference that nonetheless makes TikTok feel faster and more intuitive. Engagement becomes addiction The study found that TikTok’s technological affordances indirectly increase addiction by first increasing engagement. The more users engage, the more likely they are to lose track of time – a phenomenon known as time distortion. David said this design is no accident. “TikTok’s algorithm is intentionally created to be addictive,” she said. “Their own materials acknowledge that users can become hooked after less than half an hour on the app.” She noted that even users who recognize these patterns often underestimate how long they spend scrolling. “We all need to be more cognizant of our time on these platforms,” David said. “Check your phone’s screen-time data – you may be surprised.” Implications for users and policy Beyond individual awareness, the researchers point to the broader social impact of overuse – particularly for young people. Excessive time on short-form video apps can erode attention spans, foster expectations for instant gratification and displace face-to-face interaction. “These platforms are designed to hold our attention,” David said. “But the opportunity cost is huge. The more time we spend scrolling, the less time we have for the activities that build real connection and meaning.”

Meredith David, Ph.D.James A. Roberts, Ph.D.

2 min

Expert Research: Social Media's Double-Edged Sword: Study Links Both Active and Passive Use to Rising Loneliness

In an age where social media promises to connect us, a new Baylor University study reveals a sobering paradox – the more time we spend interacting online, the lonelier we may feel. Researchers James A. Roberts, Ph.D., The Ben H. Williams Professor of Marketing in Baylor's Hankamer School of Business, and co-authors Philip Young, Ph.D., and Meredith David, Ph.D., analyzed a study that followed nearly 7,000 Dutch adults for nine years to understand how our digital habits shape well-being. Published in the journal Personality and Social Psychology Bulletin, the Baylor study – The Epidemic of Loneliness: A Nine-Year Longitudinal Study of the Impact of Passive and Active Social Media Use on Loneliness – investigated how social media use impacts loneliness over time. This eye-opening research suggests that the very platforms designed to bring people together contribute to an "epidemic of loneliness." The findings showed that both passive and active social media use were associated with increased feelings of loneliness over time. While passive social media use – like browsing without interaction – predictably led to heightened loneliness, active use – which involved posting and engaging with others – also was linked to increased feelings of loneliness. These results suggest that the quality of digital interactions may not fulfill the social needs that are met in face-to-face communication. “This research underscores the complexity of social media’s impact on mental health,” Roberts said. “While social media offers unprecedented access to online communities, it appears that extensive use – whether active or passive – does not alleviate feelings of loneliness and may, in fact, intensify them.” The study also found a two-way relationship between loneliness and social media use. "It appears that a continuous feedback loop exists between the two,” Roberts said. “Lonely people turn to social media to address their feelings, but it is possible that such social media use merely fans the flames of loneliness."​ The findings emphasize an urgent need for further research into the effects of digital interaction, underlining the essential role of in-person connections in supporting well-being. This study also adds a valuable perspective to the conversation on how digital habits influence mental health, offering insights to shape future mental health initiatives, policies and guidelines for healthier social media use. Are you covering social media and its impact on people?  Then let us help. These experts are available to speak with media, simply click or contact Shelby Cefaratti-Bertin, M.A, Assistant Director of Media and Public Relations now to arrange an interview today.

Meredith David, Ph.D.James A. Roberts, Ph.D.

4 min

Baylor Study: Fear of Missing Out (FOMO) Plus Social Media Connections Can Equal Happiness

FOMO – aka the “fear of missing out” – can have a positive impact on well-being when it leads to social media use that increases social connections, according to a new Baylor University study. James A. Roberts, Ph.D., The Ben H. Williams Professor of Marketing, and Meredith David, Ph.D., assistant professor of marketing in Baylor’s Hankamer School of Business, coauthored the study, “The Social Media Party: Fear of Missing Out (FOMO), Social Media Intensity, Connection, and Well-Being,” published in the International Journal of Human-Computer Interaction. Roberts and David collaborate often and are nationally recognized experts on the effects of technology and social media on relationships and well-being. For this collaboration, the researchers conducted two studies consisting of 565 college students from a large U.S. university to determine the effect FOMO has on social media use, social connection to others and psychological well-being. FOMO is defined in the study as apprehension that others might be having a rewarding experience from which one is absent. According to Roberts, approximately 75% of young adults struggle with FOMO. “The human need to belong is an innate drive that dictates much of our behavior. Social media capitalizes on this need to belong,” Roberts said. “Social media has a dual nature. It lets us interact with others, which is good, but it also exposes us to more social opportunities than we can take part in that fosters a sense of missing out and inadequacy.” The study found: FOMO is a significant predictor of subjective well-being, and social media intensity had a slight significant effect on well-being. Social media is an omnipresent conduit for attempting to make such connections. It is likely that FOMO encourages the use of social media to stay connected. From the first study of 107 college students, David and Roberts gathered data to measure FOMO, social media intensity and social connection. Although FOMO typically has a negative connotation on social interactions, the study showed that the fear of missing out can lead to greater feelings of social connection. “We found that FOMO might actually have a positive impact on social connection through its impact on social media intensity and attachment,” Roberts said. “FOMO drives our use of social media to connect socially with others. Being socially connected leads to happier people.” The second study of 458 college students used the same measures, but also included an assessment on subjective well-being (happiness). The study tested their complete conceptual model in which subjective well-being is an ultimate outcome of FOMO (through its impact on social media intensity and social connection). Roberts said that social media can be a positive resource to help those with FOMO create social interactions, if it is being used actively through online actions such as posting, liking and commenting. “The problem is that people often turn to social media but use it passively – such as creeping on people or viewing pages without interacting – which can then lead to lower levels of happiness because creeping does not foster social connection,” Roberts said. “FOMO can lead to happier people if it drives people to use social media to connect but not simply to ‘creep’ on others.” ABOUT THE STUDY AND AUTHORS James A. Roberts, Ph.D., The Ben H. Williams Professor of Marketing, and Meredith David, Ph.D., assistant professor of marketing in Baylor University’s Hankamer School of Business, coauthored the study, “The Social Media Party: Fear of Missing Out (FOMO), Social Media Intensity, Connection, and Well-Being,” which is published in the International Journal of Human-Computer Interaction. OTHER RESEARCH BY ROBERTS AND DAVID Cellphones Can Damage Romantic Relationships, Lead to Depression People Who Are “Phone Snubbed” By Others Often Turn To Their Own Phones, Social Media For Acceptance Bosses Who “Phone Snub” Their Employees Risk Losing Trust and Engagement When ‘Religiosity’ Competes with Materialism, Charitable Giving Takes a Hit ABOUT BAYLOR UNIVERSITY Baylor University is a private Christian University and a nationally ranked research institution. The University provides a vibrant campus community for more than 17,000 students by blending interdisciplinary research with an international reputation for educational excellence and a faculty commitment to teaching and scholarship. Chartered in 1845 by the Republic of Texas through the efforts of Baptist pioneers, Baylor is the oldest continually operating University in Texas. Located in Waco, Baylor welcomes students from all 50 states and more than 90 countries to study a broad range of degrees among its 12 nationally recognized academic divisions. ABOUT HANKAMER SCHOOL OF BUSINESS AT BAYLOR UNIVERSITY At Baylor University’s Hankamer School of Business, integrity stands shoulder-to-shoulder with analytic and strategic strengths. The School’s top-ranked programs combine rigorous classroom learning, hands-on experience in the real world, a solid foundation in Christian values and a global outlook. Making up approximately 25 percent of the University’s total enrollment, undergraduate students choose from 16 major areas of study. Graduate students choose from full-time, executive or online MBA or other specialized master’s programs, and Ph.D. programs in Information Systems, Entrepreneurship or Health Services Research. The Business School also has campuses located in Austin and Dallas, Texas. Visit www.baylor.edu/business and follow on Twitter at twitter.com/Baylor_Business. 

Meredith David, Ph.D.James A. Roberts, Ph.D.
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Media

Biography

Dr. David’s research focuses on marketing strategies with an emphasis on consumer behavior and well-being. Recently, her research has explored how new media technologies, including smartphones, impact personal and workplace relationships. Dr. David has also published research related to customized pricing tactics, interpersonal attachment styles, and the pursuit of health goals. Her research appears in numerous journals including the Journal of Business Research, Journal of the Association for Consumer Research, Journal of Advertising, European Journal of Marketing, and Psychology & Marketing, among others. Dr. David has been interviewed and quoted for her research in many national and international news outlets, including ABC News, Fox News, Oprah.com, Redbook Magazine, Consumer Reports, and Health Magazine, among others. She has also worked on several consulting projects for large consumer product goods companies, including Hanesbrands and Idahoan Potatoes.

Areas of Expertise

Consumer Preferences & Behavior
Strategic Management & Marketing
Smartphone Use & Well-Being

Accomplishments

Young Researcher Award

Hankamer School of Business, Baylor University
2016

Best Paper Award, Consumer Behavior Track

American Marketing Association
2014

Education

University of South Carolina

Ph.D.

Business Administration

Wake Forest University

MBA

University Of South Carolina

BSBA

Marketing

Media Appearances

Is TikTok breaking young voters' brains?

Vox  online

2024-06-05

Research from Baylor smartphone researchers Meredith E. David, Ph.D., and James A. Roberts, Ph.D., is featured in this article on the addictive nature of TikTok and how it can influence the political leanings of Gen Z.

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Beat the Heat: How To Budget for Summer Vacation

Market Watch  online

2024-05-24

Advice from Meredith E. David, Ph.D., associate professor of marketing at Baylor, is included in this list of how to plan summer travel on a budget. She recommends starting saving early, making informed decisions and planning out vacation and travel months in advance.

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This Common Bedtime Habit Might Be Killing Your Relationship

Huff Post  online

2024-04-26

This article about phubbing (phone snubbing) and parallel scrolling (when couples are phone snubbing each other) cites a 2017 Baylor study of 143 people in romantic relationships – led by consumer behavior researchers James A. Roberts, Ph.D., and Meredith E. David, Ph.D. – where 70% of participants said that cellphones “sometimes,” “often,” “very often” or “all the time” interfered in their interactions with their partners.

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