<span lang="EN-US">The study aims to determine the impact of human-computer interface design on the development of mobile phones. The researcher used the descriptive analytical approach. The result shows the importance of smartphone such as communication with others, define the most important standards of application design such as efficiency and speed and determine the disadvantages of smartphones such as sleep problems and fatigue. In addition to, the study defines the HCI as science examines the design and use of computer technology, focusing on interfaces between people (users) and computers and determine the popular challenges which face HCI such as HCI designers face important challenges in how to ensure their design provides good HCI. The study recommended the need for further studies that support mobile phone and to deal with new platforms for iOS and Android, making usability tests for programs, applications and websites and qualify and train users with cognitive deficits in an appropriate manner to enable them to make better use of programs and applications.</span>

Technology development and the general availability of information have affected modern society in such a way that the educational system requires immediate and decisive changes. The situation escalated during the pandemic when distance learning became an integral part of life of every teacher and student. Modern researchers call the educational system built on the flipped classroom model a pedagogical breakthrough, so it is important to study its impact from all sides; this explains the relevance of this paper. The purpose of this research was to study the effectiveness of flipped classroom as a distance learning component for students. The study was conducted at St. Petersburg State University and enrolled 56 students in the control and experimental groups (n = 28 per group). The researchers used the questionnaire "Studying the motives of students' educational activities" by A.A. Rean and V.A. Yakunin and a cross-section of grades to obtain information about academic performance and a survey for feedback from students. The findings show that flipped classroom had a positive effect on academic performance and student motivation. The number of "excellent" students increased by 17.9% and the numbers of "good" and "satisfactory" students decreased by 3.6% and 14.3%, respectively. The overall motivation of the group increased from 4.8 to 5.0. At the same time, the number of students with low motivation decreased by 7.2%, with medium motivation increased by 10.7%, and with high motivation decreased by 3.4%. A feedback survey showed that the vast majority of students were satisfied with the flipped classroom. At that, 89.2% of students answered that this model is suitable for knowledge assimilation, 92.8% believe that flipped classroom arouses their research interest, and 82.1% call the flipped classroom model the most suitable for interesting learning. The respondents noted the following advantages of the flipped classroom: saving time (82.7%), the opportunity to discuss more interesting topics in class (64.2%), the absence of dependence on time and place (38.1%), and the possibility of a deeper study (53.5%). The disadvantages included the inability to independently study

Amid the COVID-19 lockdown many countries have replaced traditional learning with remote or mobile one. It was noted that students’ motivation has become much less with the transition to distance learning. This study analyzes how motivational processes influence mobile learning quality and aimed to analyze the factors boosted the motivation of students to learn in modern conditions of isolation and identify the major demotivating factors affecting the quality of mobile learning. Motivation is considered a key factor in improving students’ involvement in distance learning. The author surveyed 200 students and 46 teachers of The University of Jordan and Jordan University of Science and Technology regarding the factors that influenced their motivation in terms of mobile learning. The results revealed that 178 out of 200 participants agreed that intrinsic motivation impacted their interest in mobile learning. Some 78% of the students approved of mobile learning, while the remaining 22% believe it is necessary to return to the traditional face-to-face education format. The importance of feedback and communication with teachers and its impact on the process of mobile learning is considered. The role of built-in mechanisms in information systems and the positive role of gamification is equally important. Plug-ins compatible with the convenient WordPress system, i.e. applications that help organize the educational process were examined in the scientific work. The specific recommendations for raising the motivation of students in the learning process, which can be used by relevant institutions worldwide presented.

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