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When deciding on an online purchase, consumers often face a plethora of information. learn more Yet, individuals consumers differ greatly in the amount of information they are willing and able to acquire and process before making purchasing decisions. Extensively processing all available information does not necessarily promote good decisions. Instead, the empirical evidence suggests that reviewing too much information or too many choice alternatives can impair decision quality. Using simulated contract conclusion scenarios, we identify distinctive types of information processing styles and find that certain search and selection strategies predict the quality of the final choice. Participants (N = 363) chose a cellular service contract in a web-based environment that closely resembled actual online settings in the country of study. Using information processing data obtained with tracking software, we identify three consumer segments differing along two dimensions – the extent dimension, referring to the overall effort invested in information processing, and the focus dimension, referring to the degree to which someone focuses on the best available options. The three subgroups of respondents can be characterized as follows (1) consumers with a low-effort and low-focus information processing strategy (n = 137); (2) consumers with a moderate-effort and high-focus information processing strategy (n = 124); and (3) consumers with high-effort and low-focus information processing strategy (n = 102). The three groups differed not only in their information processing but also in the quality of their decisions. In line with the assumption of ecological rationality, most successful search strategies were not exhaustive, but instead involved the focused selection and processing of a medium amount of information. Implications for effective consumer information are provided.COVID-19, the most severe public health problem to occur in the past 10 years, has greatly impacted people’s mental health. Colleges in China have reopened, and how to prevent college students from suffering secondary damage due to school reopening remains elusive. This cross-sectional study was aimed to evaluate the psychological impact of COVID-19 after school reopening and explore via machine learning the factors that influence anxiety and depression among students. Among the 478 valid online questionnaires collected between September 14th and September 20th, 74 (15.5%) showed symptoms of anxiety (by the Self-Rating Anxiety Scale), and 155 (32.4%) showed symptoms of depression (by Patient Health Questionnaire-9). Descriptive analysis of basic personal characteristics indicated that students at a higher grade, having relatives or friends who have been infected, fearing being infected, and having a pessimistic attitude to COVID-19 easily experience anxiety or depression. The Synthetic Minority Oversampling Te test set reached 0.885 and 0.806, respectively. To conclude, we examined the presence of anxiety and depression symptoms among Chinese college students after school reopening and explored many factors influencing students’ mental health, providing reasonable school management suggestions.This paper explores whether a Student’s choice of major leads to certain personality traits and the reasons for this phenomenon. Specifically, we look at evidence from two Chinese universities, both of which specialize in agricultural studies. Using the Sixteen Personality Factor (16PF) questionnaire and the Neuroticism Extraversion Openness Five-Factor Inventory (NEO-FFI) questionnaire, we collected data from two groups of students those who study agriculture-related majors (ARM), and those who study non-agriculture-related majors (NARM). The surveys all showed no significant change in personality traits during Students’ freshman year. However, after 3 years of university study, significant personality trait changes were noted between seniors in the ARM and NARM groups. Whereas ARM seniors tended to be socially shy and lower in communicative competence, NARM seniors were better at expressing themselves and communicating with others. Although a Student’s choice of profession has an influence on their personality traits, it is not the only factor. The differences between ARM and NARM training models and curricula are also undoubtedly significant. Moreover, the bias against ARM in Chinese society further magnifies the differences in personality traits among students with different majors.Chronic kidney failure is a serious somatic disease. Addressing the issue of living with a chronic disease means fully considering the patients’ entourage, their families, and those close to them, especially their children and spouses. Objectives The present paper focuses on the couple’s psychological experience when one of them suffers from a chronic disease, in this instance kidney disease. In particular, how is the spouse affected by the treatment provided? The aim is not only to see how care for sick people can be improved, but also, more specifically, how relatives and especially partners can receive attention. Methodology A qualitative approach is not only adopted, being based on the psychotherapeutic follow-up of the partners of patients with chronic kidney disease, but also of the patients themselves, addressing the matter of their life as a couple. Three couples were considered, and two case studies are presented here. The issues that cut across these different situations are examined. Results and Discussion Some couples show considerable resourcefulness. However, over the years, that capacity for adaptation and inventiveness can also be interrupted by the periods of greater suffering and even despair, especially when the somatic pathology becomes chronic. Many spouses talk about how living with a sick partner weighs down on them, causing severe fatigue. Some aspects of the illness can also become traumatic. The disease regularly disrupts the daily life of the couple and the family. This leads to a reworking of family relations. Each couple has its own history with the condition. As it emerges, it can disrupt the bonds of filiation, especially when the illness is hereditary. Making psychological care more accessible to the partners involved constitutes a major challenge for our hospital care systems.