Stracqualursi, L., Agati, P. Tweet topics and sentiments relating to distance learning among Italian Twitter users. To explore what the user is concerned about on Twitter with reference to distance learning, we applied LDA to our clean corpus. J. Ment. Why do people oppose mask wearing? Hassanpour, S., Tomita, N., DeLise, T., Crosier, B. Half of the speed of light: 93,000 miles/second = 150,000 km/second Drag and drop the travel time tiles for the following places you might like to visit. Furthermore, the result is consistent with the flattening due to the use of the average of the scores. CAS In the second part an higher quality dataset is required for the topic model. . (c) Find the intensity of light on the screen at the center of each bright fringe, expressed as a fraction of the light intensity ImaxI_{\max }Imax at the center of the pattern. Lee, C. M., Cadigan, J. M. & Rhew, I. C. Increases in loneliness among young adults during the COVID-19 pandemic and association with increases in mental health problems. For distance, you should enter its value and also select the proper length measurement unit from the scroll down menu. So s = 0.5. Weblogs Soc. Why is motorcycling considered serious fun? STUDY QUESTIONS Name _ Date _ Welcome and Section 1. Sensors (Basel) 21, 5431. https://doi.org/10.3390/s21165431 (2021). How can you reduce total stopping distance (TSD)? The flow chart in Fig. Among these platforms, Twitter stands out as one of the most immediate; tweets flow nonstop on the bulletin boards of users incessantly. Distance learning was much debated during the pandemic. How are the 4-second urgent time/distance and total stopping distance related? The output of the VADER model, which is the first step of our sentiment analysis, shows a modest majority of negative tweets: 8843 negative, 8077 neutral and 8180 positive (35.2%, 32.2% and 32.6%, respectively). In March 20201, Italy implemented social-distancing measures by enforcing distance learning at all educational stages and online assessments to help continue students education2. Start counting seconds (one-one thousand, two-one thousand, etc.) 18. Savci, C., Cil Akinci, A., Yildirim Usenmez, S. & Keles, F. The effects of fear of COVID-19, loneliness, and resilience on the quality of life in older adults living in a nursing home. close the throttle and pull off the road. Find the powers p and q required for dimensional consistency. Ainley, E., Witwicki, C., Tallett, A. For a truck driver cruising in a longer, heavier vehicle, more space and time is needed. The DLDA is accordingly applied to seven time steps corresponding to the seven trimesters of the dataset. The 4-Second Rule Pick a point on the road. On behalf of all authors, the corresponding author states that there is no conflict of interest. One of the most remarkable effects was the enforcement of social distancing to reduce the spread of the disease. 2 Results and Discussion 2.1 Synthesis and Crystal Structures. Immun. B. When riding long distances how often should you stop? 11, 559951. https://doi.org/10.3389/fpsyg.2020.559951 (2020). In Proceedings of the Workshop on Interactive Language Learning, Visualization, and Interfaces, 6370, (Association for Computational Linguistics, 2014). the following distance at 20 mph. Steps ofsentiment and emotion analysis. when the car ahead passes this point. The 4-second rule is an estimate of A. the vehicle's braking distance. To determine the distance from the recording station to the earthquake's focus, use the travel-time curves in this manner: i. Timeline showing sentiment of tweets about distance learning. If rate r is the same as speed s, r = s = d/t. What are the four search categories? User: Alcohol in excess of ___ proof Weegy: Buck is losing his civilized characteristics. However, this algorithm fails to properly account for negators. Electronics and Mobile Communication Conference (IEMCON) 2019. https://doi.org/10.1109/IEMCON.2019.8936139 (IEEE, 2019). Sadness is considered by numerous authors to be a core symptom of depression42. which type of motorcycle features a rear position footrest high power to weight ratio and forward-leaning ride? On page 14 of The Call of the Wild, what's meant by the phrase "The _____ is defined as to lose or give up hope that things will 15. The material has been carefully compared If the length of the pendulum is L and the acceleration due to gravity is g, then the period is given by. You'll receive the result in standard time format (HH:MM:SS). How much is a steak that is 3 pounds at $3.85 per pound. Every state I know of recommends a 2, 3, or 4 second following distance. Haydn's opus 33 string quartets were first performed for A well-known drawback of these methods, however, is that they do not allow us to consider social variables (e.g., age, gender, marital status, mode of working) related to the emotions revealed by the model. Topics and top terms of different time slices by DTM. As post-outbreak SARS-CoV-2 infections increased, many regions suddenly returned to distance learning for either some grades of school or for all, as happened in Italys red zones. The figure shows a graph of . Furthermore, misspelled words could not be identified and analyzed in the algorithm. . Individ. For example, a problem might say: "Find the distance a car has traveled in fifteen minutes if it travels at a constant speed of . What emerges clearly is the change over time in the percentage weight of the topics: the concerns about distance learning assumed an increasing importance to the detriment of the other topics. D. the following distance at 20 mph. 10, 321327. One-degree of longitude equals 288,200 feet (54.6 miles), one minute equals 4,800 feet (0.91 mile), and one second equals 80 feet. Inform. You can use the equivalent formula d = rt which means . B. the time it takes you to react to a traffic event. Of the highest emotions detected, trust was found to be the main positive emotion, while fear, sadness and anger were the top negative emotions. The topic model identified three topics: (1) requests for support measures for distance learning, (2) concerns about distance learning and its application, and (3) anxiety about the government decrees introducing red zones and corresponding restrictions. Additionally, several words, such as red, zone, and ordinance, are mentioned in the third topic. The duplicate tweets were removed, and only the unique tweets were retained. Begin counting. Preparing for winter: Don't forget about your vehicle! Finally, we chose Italian tweets only. List the five steps of the engine pre-start routine. naked bikes or roadsters. https://doi.org/10.1093/jamia/ocy140 (2019). User: She worked really hard on the project. We mainly used \(C_v\) coherence and \(C_{umass}\) coherence as a secondary reference. Luisa Stracqualursi. T or F. which of the following motorcycle types of design for riders focused on long-distance riding? = 15 ? Peoples attitudes changed over time. ride in any Lane that allows you to be seen ASAP. This rule does not only apply to distance: The Distance Between the Cars Depends On: Sign in|Recent Site Activity|Report Abuse|Print Page|Powered By Google Sites, CYHS Students Did a Survey Of Their Drivers The Results Were Shocking, Common Dashboard Warning Lights and Symbols, Inclement Weather, Heavy Traffic, or Night Driving - 8 seconds (double time). Moreover, the people who have more directly experienced distance learning are students, parents, and teachers, that is, people who, by age, make up approximately 83% of Twitter users46. J. Adolesc. Gerontol. Commodari, E. & La Rosa, V. L. Adolescents in quarantine during COVID-19 pandemic in Italy: Perceived health risk, beliefs, psychological experiences and expectations for the future. Particularly in LDA models, the generation of documents within a corpus follows the following process: A mixture of k topics, \(\theta\), is sampled from a Dirichlet prior, which is parameterized by \(\alpha\); A topic \(z_n\) is sampled from the multinomial distribution, \(p(\theta \mid \alpha )\) that is the document topic distribution which models \(p(z_{n}=i\mid \theta )\) ; Fixed the number of topics \(k=1 \ldots ,K\), the distribution of words for k topics is denoted by \(\phi\) ,which is also a multinomial distribution whose hyper-parameter \(\beta\) follows the Dirichlet distribution; Given the topic \(z_n\), a word, \(w_n\), is then sampled via the multinomial distribution \(p(w \mid z_{n};\beta )\). The Time Management Matrix: Everything you do in life can be classified by its urgency (Urgent or Not Urgent) and by its importance (Important or Not Important) Important and Urgent. Health Addict.https://doi.org/10.1007/s11469-021-00569-0 (2021). The text content of a tweet is a short microblog message containing at most 280 characters; this feature makes tweets particularly suitable for natural language processing (NLP) techniques, which are widely used to extract insights from unstructured texts. Learn.https://doi.org/10.1007/s10758-021-09571-w (2021). The quantity that tells us how fast an object is moving anywhere along its path is the instantaneous velocity, usually called simply velocity. 3). Coherent light of wavelength 501.5nm501.5 \mathrm{~nm}501.5nm is sent through two parallel slits in a large flat wall. Psychol. These values aim to emulate the relative score that a human is likely to assign to a topic and indicate how much the topic words make sense. We performed a systematic review of the evidence regarding effects of service reconfigurations that increase the time/distance for some patients to reach an urgent and emergency care (UEC) facility. Article Satici, S. A., Kayis, A. R., Satici, B., Griffiths, M. D. & Can, G. Resilience, hope, and subjective happiness among the Turkish population: Fear of COVID-19 as a mediator. (a) Four kinds of sites at the surface; T (top), B (bridge), H (hollow), and TFH (threefold hollow) are shown with respect to locations, (b) free H 2 S molecule, and (c) side view of free slab with d 12 is the distance between layers 1 and 2; d 23 is the distance between layers 2 and 3. Figure 4.5, we see the already noted relationship between area and distance traveled on the left-hand graph of the velocity function. Tweet topics and sentiments relating to distance learning among Italian Twitter users, $$\begin{aligned} p(\mathbf{w})=\int _\theta {p(\theta \mid \alpha )\left( {\prod \limits _{n = 1}^N {\sum \limits _{z_n = 1}^k {p(w_n \mid z_n ;\beta )p(z_n \mid \theta )} } } \right) } \mathrm{}d\theta \end{aligned}$$, \(D=\{\mathbf{w}_\mathbf{1},\ldots ,\mathbf{w}_\mathbf{M}\}\), $$\begin{aligned} p(D) = \prod \limits _{m = 1}^M {\int _\theta {p(\theta _m \mid \alpha )\left( {\prod \limits _{n = 1}^{N_m } {\sum \limits _{z_n = 1}^k {p(w_{m,n} \mid z_{m,n} ;\beta )p(z_{m,n} \mid \theta _m )} } } \right) } } \mathrm{}d\theta _m \end{aligned}$$, https://doi.org/10.1038/s41598-022-12915-w. Get the most important science stories of the day, free in your inbox. if you take a turn too fast you may end up a motorcycle is less visible in a car because it to stop safely in a curve what should you do? The two authors contributed equally to this work. Ensemble modeling for sustainable technology transfer. VADERs neutral tweets are very useful in the classification but not interesting for the emotions analysis; therefore, we focused on tweets with positive and negative sentiments. Ye, B. et al. Crises and Emergencies. They are the jobs that require prompt attention and include phone calls, meetings and immediate crises fall under this category. These measures became known as emergency distance learning and introduced new experiences and challenges for students, parents, and teachers. Thank you for visiting nature.com. Opinions and sentiments regarding this switch from traditional to remote classes can be tracked in real time in microblog messages promptly shared by Twitter users, who constitute a large and ever-increasing number of individuals today. An arc array synthetic aperture radar (AA-SAR) is a new type of omnidirectional observation and imaging system. Acad. Mohammad, S. & Turney, P. Emotions evoked by common words and phrases: Using mechanical turk to create an emotion lexicon. . VADER is a sentiment lexicon and rule-based sentiment analysis tool obtained through the wisdom of the crowd approach. The use of digital teaching technologies accelerated and led to a hybrid instructional model that combined remote and face-to-face teaching, named integrated digital learning. We see that the speed corresponding to a braking distance of 500 . What is the benefit of squaring the handlebars when coming to a stop? Both start from point A at . Article Differ. Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. Individ. Wait for the car to go past before you move into another lane. The dynamic topic model is accordingly applied to seven time steps corresponding to the seven trimesters of the dataset. In the subsequent months, distance learning gradually moved to integrated digital learning3, which combined remote (virtual classroom) and in-person (traditional classroom) instruction. https://doi.org/10.1145/1143844.1143859 (ACM Press, 2006).