Luminous efficacy

Electric lighting is something many people today take for granted. Humans have always used a variety of techniques to get the light source they needed, but no invention was as successful as the light bulb. During the 18th century, candles and oil lamps illuminated most homes. While they were able to emit some sort of light, there were many drawbacks. They often lit houses on fire, created foul smelling smoke, and only gave off a small amount of light. The wealthy typically used beeswax candles and the middle class made makeshift candles out of animal fat and reeds. The 19th century brought the gift of gas lighting, which quickly replaced candles and oil lambs in homes across Europe and America. Gas lamps were cheaper, brighter, and safer…

2016) Causes of Drench Failure Besides the drench resistance, there are some other reasons that leads to the failure of drenches to eliminate the parasites in the livestock such as : • a faulty or malfunctioning drenching gun is used during the drenching process • inappropriate of drenches used for the worm species • spitting out of the drench from the animals • improper mixing of drench • incorrect dose rate is given • the drenches have already expired…

The Effectiveness of “Winter Stars” By Larry Levis The poem “Winter Stars” by Larry Levis starts out depicting a story that a boy is remembering from his child hood. Levis vividly depicts the boy’s father “breaking a man’s hand” (Levis) on a piece of farming equipment because the man named “Rubén Vásquez” (Levis) attempted to kill him with a well described knife. His father then proceeds, with no empathy, to grab some lunch and listen to some music. The boy then contemplated the meaning of life…

A case study was done about the effects that self efficacy has on the course of treatment for a person in a drug treatment program. In the study The Role of Self Efficacy in the Treatment of Substance Disorders, Ronald Kadden and Mark Litt found that self efficacy is a strong predictor of outcomes for patients in a drug treatment program. In this study, they found that at the end of a relapse prevention program, self efficacy was high because the focus was put on being able to do or not do what…

difference in the methodology of these two studies was the materials used for data analysis. Goodson et al. (2013) used clearly defined measures with strong psychometrics to test specific variables in their study. Albright and Thyer (2009) employed one measure, as well as utilizing a peer rater who worked independently of the first author. While several fundamental differences were highlighted, there were also similarities between the two studies. The most significant similarity was in the…

Foreground Question: Is physical therapy with exercise more effective than exercise in reducing pain in people with shoulder impingement? P: People with “shoulder impingement” I: Physical therapy with exercise C: Exercise O: Reduce pain Background Question: What is “Shoulder Impingment Syndrome?” Shoulder impingment syndrome (SIS), or medically known as subacromial impingment syndrome is a physiological condition in which structures within the shoulder complex are compressed. In healthy…

making a decent income to support their needs, but there are times where a person might become tired of executing the same task to the point where it becomes tedious and unwanted. This phenomena is called burnout and it can happen to anybody working at any job. There are many factors that can cause burnout. One occupation where burnout can be high is teaching. There are stressors that can become too much to handle such as a constant struggle with misbehaving students. Teachers also believe in…

Many students in school today are not motivated to read content based material which leaves their reading skills underdeveloped. Teachers must be excited and eager to share their joy for reading with their students. These six principles can guide teachers into engaging and motivating students in content areas of the classroom to maximize participation in reading. The six principles are: increase student efficacy, generate student interest, make learning relevant, provide various resources, allow…

Academic motivation, in summary, is how motivated a student is to complete work given within their educational environment and how certain decisions can affect their future academically which can lead to drastic changes throughout their lives. Studies have been made to evaluate the academic motivation throughout different groups with different backgrounds and different ethnicities, just to name a couple. Self­efficacy and the emotions involved play a major role with academic motivation…

Public stigma Public stigma surrounding mental illness occurs when members of the greater community endorse negative stereotypes of individuals with mental illnesses, such as dangerousness, blameworthiness and incompetence (Jones, Farina, Hastorf, Markus, Miller, & Scott, 1984). While public stigma and self-stigma are interrelated, with public stigma causing individuals to internalise stereotypes and suffer from low self-esteem and low self-efficacy, self-stigma can be distinguished as it…