As for now, however, attempts at finding a TBR effect for blatantly false (i.e., highly implausible) statements have failed. Contrary to this hypothesis, recent research has found that statements contradicting participants' prior knowledge (as established from a first sample of participants) show a TBR effect following their repetition (in a second, independent sample of participants). This Truth-by-Repetition (TBR) effect has long been assumed to occur only with statements whose truth value is unknown to participants. Together, these findings show that repetition is most likely to increase perceived truth when repetitions are spaced with a moderate number of intervening items.Ī single exposure to statements is typically enough to increase their perceived truth. However, in Experiment 2b the magnitude of the illusory truth effect increased as lag length and repetition number increased, but there was no interaction between these two factors. In Experiment 2a there was an illusory truth effect, but its magnitude did not depend upon lag length or repetition number. In Experiment 2b, we increased the number of repetitions (2 or 10) and the lag lengths (0 or 10). In Experiment 2a we used a small number of repetitions (2, 3, or 4) and short lag lengths (0, 1, or 2). In Experiment 2 we tested whether the spacing effect in truth ratings depends upon the number of repetitions. We also observed a lag effect that followed a quadratic pattern: Truth ratings increased up to a lag of 16, after which they decreased. Here, we observed a spacing effect: Truth ratings were higher when repetitions were spaced (i.e., lags of 1 through 32) rather than massed (i.e., lag of 0). Participants later rated the truthfulness of these facts in addition to new facts. In Experiment 1, participants read facts that repeated twice, with a lag of 0, 1, 2, 4, 8, 16, or 32 intervening facts. In these experiments, we examined whether the magnitude of the illusory truth effect varies based upon repetition spacing. The illusory truth effect refers to the fact that repetition increases perceptions of truth. The implications for both m-commerce research and practice are discussed. This combination of interface attributes is associated with higher intentions to purchase as well as an increase in revisits and recommendations of the website. The results show that an m-commerce website with a positive color contrast (light text on a dark background) and airy line spacing with a sans-serif font (Arial) is perceived as easier to use when engaged in outdoor m-commerce. Data were collected through an online questionnaire (n = 560) to investigate potential direct and interaction effects of these interface attributes. A website selling music CDs was created for the experiment. Specifically, three key design attributes related to commercial website interfaces were examined using a full factorial plan (2 × 2 × 2): color contrast, layout, and font type. Effects were tested in real-time contexts (outdoor m-commerce). This study focuses on the effects of user interfaces in mobile commerce (m-commerce) on the perceived ease of use and related consumer behaviors when controlled for environmental conditions (sunshine, humidity, and brightness).
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