Monday, May 18, 2020

What Is the Zeigarnik Effect Definition and Examples

Have you ever found yourself thinking about a partially finished project for school or work when you were trying to focus on other things? Or perhaps you wondered what would happen next in your favorite TV show or film series. If you have, you’ve experienced the Zeigarnik effect, the tendency to remember unfinished tasks better than finished tasks.   Key Takeaways: Zeigarnik Effect The Zeigarnik effect states that people tend to remember unfinished or incomplete tasks better than completed tasks.The effect was first observed by Russian psychologist Bluma Zeigarnik, who noticed that waiters in a cafà © could recall the orders they had not yet delivered better than those they had distributed.Much research supports the Zeigarnik effect, but it can also be undermined by things like the timing of task interruption, one’s motivation to engage in a task, and how difficult one believes a task is.Knowledge of the Zeigarnik effect can help overcome procrastination, improve study habits, and promote mental health. Origins of the Zeigarnik Effect One day, while sitting in a busy Viennese restaurant in the 1920s, Russian psychologist Bluma Zeigarnik noticed that the waiters could successfully remember the details of the orders for the tables that had yet to receive and pay for their food. As soon as the food was delivered and the check was closed, however, the waiters’ memories of the orders seemed to disappear from their minds. Zeigarnik conducted a series of experiments to study this phenomenon. She asked participants to complete a series of 18 to 22 simple tasks, including things like making a clay figure, constructing a puzzle, or completing a math problem. Half of the tasks were interrupted before the participant could complete them. Meanwhile, the participant was able to work on the others until they were done. Afterwards, the participant was asked to tell the experimenter about the tasks they worked on. Zeigarnik wanted to know which tasks participants would recall first. An initial group of participants recalled interrupted tasks 90% better than the tasks they completed, and a second group of participants recalled interrupted tasks twice as well as completed tasks. In a variation on the experiment,  Zeigarnik found that adults once again experienced a 90% memory advantage for interrupted tasks. Furthermore, children remembered unfinished tasks over twice as often as they did completed tasks. Support for the Zeigarnik Effect Further research has supported Zeigarnik’s initial findings. For example, in a study conducted in the 1960s, John Baddeley, a memory researcher, asked participants to solve a series of anagrams within a specific amount of time. They were then given the answers to the anagrams they were unable to finish. Later, participants were better able to recall the words for the anagrams they failed to complete over those they successfully finished. Similarly, in a 1982 study, Kenneth McGraw and Jirina Fiala interrupted participants before they could complete a spatial reasoning task. Yet, even after the experiment was over, 86% of participants who were given no incentive for their participation decided to stay and continue working on the task until they could finish it. Evidence Against the Ziegarnik Effect Other studies have failed to replicate the Zeigarnik effect, and evidence demonstrates that there are a number of factors that impact the effect. This is something Zeigarnik accounted for in the discussion of her original research. She suggested that things like the timing of an interruption, the motivation to successfully complete a task, how fatigued an individual is, and how difficult they believe a task is, will all impact one’s recall of an unfinished task. For example, if one isn’t especially motivated to complete a task, they will be less likely to recall it regardless of whether or not they completed it. In McGraw and Fiala’s study, reward expectancy was shown to undermine the Zeigarnik Effect. While most of the participants who were not promised a reward for participating in the experiment returned to the task after being interrupted, a much lower number of participants who were promised a reward did the same. Implications for Everyday Life Knowledge of the Zeigarnik effect can be put into use in everyday life. Overcoming Procrastination The effect is especially well suited for helping overcome procrastination. We often put off big tasks that seem overwhelming. However, the Zeigarnik effect suggests that the key to overcoming procrastination is to just get started. The first step could be something small and seemingly insubstantial. In fact, it’s probably best if it’s something fairly easy. The key, though, is that the task has been started, but not completed. This will take up psychological energy that will lead the task to intrude on our thoughts. It’s an uncomfortable feeling that will drive us to complete the task, at which point we can let go and no longer keep the task at the forefront of our minds. Improving Study Habits The Zeigarnik effect can also be useful for students who are studying for an exam. The effect tells us that breaking up study sessions can actually improve recall. So instead of cramming for an exam all in one sitting, breaks should be scheduled in which the student focuses on something else. This will cause intrusive thoughts about the information that must be remembered that will enable the student to rehearse and consolidate it, leading to better recall when they take the exam. Impact on Mental Health The Zeigarnik effect also points to reasons people may experience mental health problems. For example, if an individual leaves important tasks incomplete, the intrusive thoughts that result can lead to stress, anxiety, difficulty sleeping, and mental and emotional depletion. On the other hand, the Zeigarnik effect can improve mental health by providing the motivation needed to finish tasks. And completing a task can give an individual a sense of accomplishment and promote self-esteem and self-confidence. Completing stressful tasks, in particular, can lead to a feeling of closure that can improve psychological well-being. Sources Cherry, Kendra. â€Å"An Overview of the Zeigarnik Effect and Memory.†Ã‚  Verywell Mind, 10 August 2019.  https://www.verywellmind.com/zeigarnik-effect-memory-overview-4175150Dean, Jeremy. The Zeigarnik Effect. PsyBlog, 8 February, 2011. https://www.spring.org.uk/2011/02/the-zeigarnik-effect.phpMcGraw, Kenneth O. and Jirina Fiala. Undermining the Zeigarnik Effect: Another Hidden Cost of Reward. Journal of Personality, vol. 50, no. 1, 1982, pp. 58-66. https://doi.org/10.1111/j.1467-6494.1982.tb00745.xZeigarnik, Bluma. On Finished and Unfinished Tasks. Psychologische Forschung, vol. 9, no. 185, 1927, pp. 1–85. https://pdfs.semanticscholar.org/edd8/f1d0f79106c80b0b856b46d0d01168c76f50.pdfZeigarnik Effect.  GoodTherapy,  1 February, 2016.  https://www.goodtherapy.org/blog/psychpedia/zeigarnik-effect

Wednesday, May 6, 2020

Renewable Energy Wind Power Essay - 791 Words

Wind Power is the use of our natural wind that converts it into mechanical energy which eventually becomes electricity. You may not realize this, but we used wind power that dated centuries ago. It pumped water, ground grain, and plenty of other things. (Resources, awea.org) Ever since recorded history, people had the ability to use wind as a source of energy. Wind power was been used to propel boats along rivers as early as 5000 B.C. At 200 B.C., China used windmills to pump water, while in Persia and the Middle East used vertical-axis windmills with woven reed sails were grinding grain. (history-wind-energy, energy.gov) Eventually, discoveries for wind energy became vast. Plethora of ideas developed. During the 11th century, the Middle†¦show more content†¦The wind power at 30 mph would equal: P=1/2(1.5) (1.5) (13.4)  ³ = 2,707 Watts. The power increased by 8 times. Exemplary I must say. However, there are factors played in the part of having a wind energy turbine in any area. The majors’ ones are as followed: †¢ Wind Speed †¢ Proximity to airport †¢ Proximity to residences †¢ Transportation access †¢ Distance to transmission lines †¢ Environmental issues such as endangered species or wetlands As long as you don’t have much problems with the factors shown above, you can build yourself a wind turbine. To construct these things, the wind turbine consists of three basic parts: the tower, the nacelle, and the rotor blades. The tower itself is either a steel lattice tower almost the same as an electrical tower, or a steel tubular tower with an inside ladder to the nacelle. The first step in constructing the wind turbine, is to have a tower. The steel parts are usually made off site in a factory, however, they are usually built on site. The parts are bolted together, and as usual, keeping the tower horizontal until placement. Next is the fiberglass nacelle is installed. It’s stuff inside such as the main drive shaft, gearbox and blade pitch and yaw controls are created and mounted onto a base frame at a factory. The nacelle is a strong, hollow shell that has the inner workings of the wind turbine. Towers do not have â€Å"guys,† which are cables used for sup port. They are mostly made out of steel that has been coated with zinc alloy forShow MoreRelatedRenewable Energy: Wind Power Essay582 Words   |  3 PagesWIND POWER Wind is one type of renewable energy that can be developed to generate free and clean energy replacing the one that be renewed and cause the pollution such as fossil fuel. Wind energy can be extracted by using the suitable wind turbine that is suitable with the current wind speed at observe location which is eastern coast of peninsula Malaysia. 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Reflection Paper free essay sample

I will focus on these three questions in my reflection. II. Does the Bible have Authority? The bible may be the most criticized and most attacked book that has ever been written. There are many who work to discredit or disprove the authority of the bible. I have personal experiences pertaining to ethics, which if I knew of the power in giving voice to value, it would have gone a long way to change the menace others and I experienced. There was a time in my former School; it came to the notice of the school authorities that some students have been defecating in the senior block. Unfortunately, on one Thursday after School I caught one of the students defecating in one of the classrooms. At that particular moment, I made her clear it off and again ordered her to write report on her behavior, she did what I communicated to her and reported that she is sorry for her action, and it would not happen again. Since then, cases on that came once a while. I can now say from lessons of giving voice to values that I could have done more on the extent of how the case could go, which could have enable the School Authorities to hold the girl accountable for her action which would serve as a detriment to others involved. From the giving voice to values seminar, I know that self-complacency, sympathy, and mercy disabled me to take the case further than it did w end. In addition, I felt that if the case is to go to the Authorities, the student might be dismissed from the School. Likely, some of the enablers that gingered my action to the situation were that as a member of the institution it is my responsibility to ensure that our surrounding in conducive for academics so I have to add to my quota to the objective of the School. Furthermore, during the course of giving voice to values I have come to realize the type of person and the and know more my personality about I am pertaining and now know more about how to communicate and how to send message across effectively. Back to my earlier scenario, if I had gathered the courage to voice what I experienced I would have gone a long way to change situation the School was encountering. With knowledge and insight gained from voicing out values with the basics of ethics, my mode of communication, personality, the sense purpose, and urgency and reasons with rationality in situations of dilemma my voice would be head aloud without any limitation or timidity. In conclusion, what used to be my barriers of speaking against the odd have being further explored giving me an upper hand over them through the course of Giving Voice to Values.