![]() ![]() The decision-making task comprised 24 rounds. ![]() We elicited intertemporal preferences using a modified version of the multiple-price-list method. Methods: Experiment design and procedures In the present study, we test the main research hypothesis that a slower speech rate facilitates patience against the null hypothesis that the speech rate does not change intertemporal decisions.Ģ. In particular, Olschewskim, Rieskamp, and Scheibehenne demonstrated that taxing cognitive resources does not alter preference but instead reduces choice inconsistency. More recently, several studies reported that taxing cognitive resources does not necessarily increase impulsive decision-making. and Shiv and Fedorikhin, found that subjects behaved more impatiently when a cognitive load (e.g., memorizing a 5- or 7-digit number) was imposed during the intertemporal decision-making process, compared to those without an imposed cognitive load. Empirical evidence, however, is rather mixed. The predominant view in psychological and economic models based on the dual-systems theory supports that increased cognitive load induces intuition but inhibits deliberation, leading to more impulsive decisions. ![]() Under such circumstances, individuals would rely primarily on the cool system and, subsequently, behave more patiently. A slower speech rate would, however, lead to slower decisions. Thus, according to the dual-systems framework, if a faster speech rate causes faster decisions, the hot system would induce fewer future-oriented decisions. showed that speech rate primes decision-making speed given that, in their findings, faster speech resulted in faster decisions and vice versa. Prior research has shown that listening to fast speech can lead to a faster rate in subsequent tasks. Such theories postulate that the hot system tends to be triggered by options with immediate rewards, leading to myopic and impulsive choices, whereas the cool system deliberates the relative valuation of immediate and delayed rewards and then analyzes outcomes in a future-oriented perspective. Our main research hypothesis builds on the dual-systems theories. The present study thus aims to examine the speed rate effect on people’s intertemporal decisions in a controlled experiment. Yet, little is known about how speech rate affects listeners’ subsequent decision-making, especially in economically important contexts. Existing psychological studies have shown that speech rate influences listeners’ perception and judgment of a speaker’s personality attributes. For example, speech rate, the pace at which people speak, is a salient nonverbal element in communication. Although standard economic models focus primarily on payoff-related information, nonverbal cues also meaningfully shape individual perception and judgment. Many economic transactions are facilitated through certain forms of verbal communication. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.Ĭompeting interests: The authors have declared that no competing interests exist. He acknowledges financial support from the Ministry of Education of Singapore (MOE Academic Research Fund Tier 1 RG141/19). įunding: Chen acknowledges financial support from the Ministry of Science and Technology of Taiwan (MOST 110-2628-H-002-009- and MOST 110-2634-F-002-045-) and the Ministry of Education of Taiwan (MOE 111L900203). ![]() This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.ĭata Availability: Our data can be accessed at. Received: SeptemAccepted: FebruPublished: February 25, 2022Ĭopyright: © 2022 Chen et al. Worthy, Texas A&M University, UNITED STATES Citation: Chen JI, He T-S, Liao H-Y (2022) Does speech rate influence intertemporal decisions? an experimental investigation. ![]()
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