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The purpose of this study is to build a personalized learning intervention system, which can support students' personalized learning, improve teachers' teaching efficiency and students' learning effect.

The research proposes a personalized learning intervention method based on a collaborative filtering algorithm and knowledge map. The application of knowledge map makes learning content organized, and the use of collaborative filtering algorithm makes it possible to provide personalized learning recommendations for students. This personalized learning intervention system can monitor students' learning development and achieve the combination of personalized and efficiency. For the study, 152 seventh graders were assigned to a control group and an experimental group. Traditional learning intervention was used in the control group, and individualized learning intervention was used in the experimental group.

SPSS was used for data organization and analysis. The effectiveness of the personalized learning intervention system is verified by quasi-experimental research, and the influence of the system on students' learning effect is discussed. The result found that personalized learning interventions were more effective than traditional approaches in improving students’ achievement. However, for students of different learning levels, personalized learning intervention system has different effects on learning confidence and learning anxiety.

The personalized learning intervention system based on the collaborative filtering algorithm and knowledge map is effective in improving learning effect. And, it also has a certain influence on students' psychology.

The aim of this research is to quantitatively synthesize empirical findings of the effect of discount level on consumer response to the coupon.

The authors used the meta-analysis method to synthesize coupons' discount level effects on consumer response. Meta-regression was used to examine the moderating factors that affect the relationship between discount level and consumer response.

The average effect size of the discount level is 0.331, indicating that higher discount levels lead to higher consumer responses. The effect of discount level on consumer response to the coupon is stronger when the discount is displayed in proportion format (vs amount format), when consumers are distant (vs near) to the coupon-issuing stores, and when consumers have not opted-in to receive promotional information. The discount level effect is weaker for coupons that can be redeemed online (vs offline only), for hedonic products (vs utilitarian products) and for products of real brands.

From information processing and cost–benefit trade-off perspectives, this research proposes a comprehensive research framework that synthesizes a variety of contextual factors. It identifies several contextual factors that may reconcile several inconsistent findings in the existing literature. It also addresses how the new-technology related factors affect coupon redemption under different discount levels.

Corporate digital transformation (DT) and top management team (TMT) internationalization seem to be concomitant phenomena in recent years, the former is a major change and a thorough transformation requiring continuously new technologies and ideas. Excitingly, the latter shows a relatively broad vision, a large risk appetite and interest in new things. Does TMT internationalization promote DT? This question is essential for DT. Given that, this article will aim to discuss and examine whether and how TMT internationalization affects corporate DT.

This article takes China's A-share listed manufacturing companies from 2011 to 2019 as a sample. The quantitative text analysis method is used to measure attention related to digitalization. This paper discusses: (1) The decision-making logic and cognitive process mechanism of “TMT internationalization–attention related to digitalization–corporate DT”. (2) The moderating effect of shared corporate mission of the TMT on the cognitive process of decision-making, that is, the social process of transforming individual cognition into team cognition, and the social process of transforming team cognition into corporate decision-making.

TMT internationalization promotes DT. As an external manifestation of team cognition, attention plays a positive role as an intermediary mechanism. Specifically, executives with overseas experience have higher urgency assessment and manageable assessment, thus affecting their attention to digitalization positively, thereby promoting DT. This article does not demonstrate the moderating effect of shared corporate mission on the cognitive process, but it promotes DT directly, and only plays a role in the precognitive stage.

This article is the first one to study the relationship between TMT internationalization and corporate DT, which has practical guiding significance for DT and the “going out” strategies of the TMT. Also, the combination of upper echelons theory and cognitive theory opens up the black box of the strategic process. Lastly, this research explores the formation process of team cognition, which is always neglected by previous studies of the TMT demographic characteristics.