Content vs. Design in Startup Pitch Decks: Evidence From Field and Lab Experiments

Pitch decks represent a critical first touchpoint for startups seeking funding, often shaping whether investors will engage further. While it is commonly assumed that visual design matters, its actual impact on investor decision-making remains surprisingly underexplored compared to substantive quality cues such as team experience and market potential. Drawing on processing fluency theory, we examine how the visual design of pitch decks systematically influences early-stage investors’ decision-making in the screening process through its ease of processing and beyond substantive quality. Through a pre-registered, randomized controlled trial involving nearly 35,000 investors and three online experiments, we found that both visual fluency and substantive quality independently boost investor engagement almost to the same extent in terms of time spent (+35% and +35%), slides viewed (+12% and +12%), and positive reactions (+116% and +121%). In contrast, only substantive quality increased investors’ commitment as measured by the likelihood to invest, suggesting that commitment is less affected by affective processes and more cognitively driven. By illuminating the effects of and interplay between affective and deliberate drivers, we demonstrate that fluency serves not just as a complementary element but as a pivotal factor in shaping initial investor reactions, advancing theoretical perspectives on processing fluency and investor cognition while offering practical insights into crafting compelling business presentations.