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Purpose This study aims to systematically review a total of 513 papers using experimental methods in hospitality and tourism research and then proposed new recommendations to address approaches that have been confusingly adopted or ignored in the current literature. Design/methodology/approach An extensive literature review was conducted. Together with critiques on previous studies, four recommendations were proposed to help carry out future experimental studies using more rigorous and exact approaches. Findings Multiple experimental studies can provide stronger evidence for theoretical arguments. Demonstration of the theoretical underlying mechanism using evidence based on mediation and moderating methods is required. The adoption of complementary methods can mitigate the generic weaknesses of experimental methods. In addition, enhancement of the realism of experiments is required to obtain stronger empirical evidence with internal and external validity. Research limitations/implications This study proposes four constructive recommendations which help researchers to conduct future experimental design studies correctly. Valid and exact research outcomes can help practitioners to carry out new useful marketing strategies. Originality/value After reviewing 513 previous papers that used experimental design in the hospitality and tourism fields, this study proposes four new recommendations to facilitate a better understanding of experimental design. The original and innovative nature of this study will help future investigations to adopt more accurate statistical approaches.

This research investigated the role of price preciseness (rounded vs. precise) in perceiving deal attractiveness, purchase intention, and choice in travel decision-making. Two competing hypotheses (price association vs. fluency) were proposed. Across five empirical studies, we found that the perceived attractiveness of a price promotion deal, along with purchase intention and relative preference, were higher when the original price was presented in a rounded (vs. precise) format (Studies 1A, 1B, and 3). This finding supports the price association-based explanation rather than the fluency-based explanation. In addition, the results were replicated in a consequential choice setting (Study 2). We further demonstrated that the effect of the price rounding is stronger for those with high (vs. low) lay rationalism, suggesting its moderating role (Study 4). The empirical findings of the current research have theoretical implications for various fields, including the behavioral pricing of travel and tourism, and practical implications for practitioners.