Will using the Internet to answer knowledge questions increase users’ overestimation of their own ability or performance?

Abstract

Using the Internet is ubiquitous, but not all of the consequences of this habitual technology use are known. Theoretical models and related research suggest that the act of searching for information on the Internet itself may bias users toward overestimating themselves. The current study is the first direct empirical test of this assumption. In a two-by-two design, n = 184 participants were randomly assigned to between-subject Internet or NoInternet conditions in each of two phases: In the Induction Phase 1, participants made predictive metacognitive judgments about their ability to answer a first set of explanatory knowledge questions. In the Target Phase 2, they made predictive and postdictive metacognitive judgments about their ability to answer a second, entirely unrelated set of explanatory knowledge questions and answered two of these questions. Results show that Internet use affected tasks only in the same phase, but not in subsequent unrelated phases. Internet use resulted in better answers, but also in significant and persistent overestimation of information problem-solving ability and performance, even in more accurate postdictive metacognitive judgments. Potential consequences of this side effect of Internet use are discussed such as premature termination of information problem-solving and suboptimal performance.