Since the researcher disqualifies some models, they create a non-random sample that is based on the number of sales. All the models that passed the test were used as the sample size. Cars are classified as "popular" models if they exceeded a total sale of 70,000 from 1995 to 1999 and also showed constant sales during the years under study. Then the authors select the sample from this cluster based on the popularity. Interior space is important as it indicates the number of people at risk of death if the car crashes (Ross, 2002). The clusters were based on Consumer Guide for Automobiles where are put into four clusters namely, subcompact, Compact, midsize and large which depends on the car's interior space. To arrive at the sample for the study, the authors use clustered sampling method.
#Article summary apa format example driver
I agree with these assumptions because different models and types of cars poses different levels of risk to both the driver and the passangers. The authors make the assumption that different models of vehicle present different levels of risks (measured by driver deaths), in contrast to earlier studies that assumed that the risk depends on the weight of the vehicle (Ross, 2002). This includes all the vehicles types and models (for example, car class, van, SUV, or pickup truck). The parent population for Ross (2002)'s study is the total number of vehicles sold in the country from 1995 to 1999. The population from which one or more samples is drawn is referred to as the parent population, which is the theoretically accessible population from which one or more samples to be used in a study is drawn (Utts, 2005). This is because the researcher use the sample to draw inferences and generalizations about the entire population since studying the whole population is not always possible, but at times impractical. The treatment variable of the study is the type of vehicle.Ĭhoosing the study size of the study population (sample size) is one of the most important steps in conducting a study. The treatment variable on the other hand is a type of explanatory variable that the investigators manipulate to look at the effect on the response variable. A response variable, also called predicted variable, is that which the study aims to predict by altering the values of the treatment variable. Ross (2005) measures the is as the number of driver deaths per million vehicles bought. Risk, which is determined by the risk exposed to the driver of the car model under study in all types of clashes combined with the risk to the other driver involved in the crashes, is a response variable.
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In Ross (2002)'s article, the variables are risk and the type of vehicle. Objectives indicate the variables under study. The objective of the chosen study, and which fit the characteristics of good research objectives, is to compare the risk of deaths from traffic accidents depending on the vehicle and model of the car (for example, car class, van, SUV, or pickup truck) involved in the accident (Ross, 2002). The article selected for my review is An Analysis of Traffic Deaths by Ross (2002). The objectives should be smart and written in a simple language in order that an investigator can easily measure these objectives by the use of simple apparatus (Utts, 2005). Instructor's name Time/Day the class meets Class and Section Your Name Please read all of these boxes to make sure you are following.The objectiveThe objectives of a study refers to the statement of purpose for which the investigation is conducted. We write high quality term papers, sample essays, research papers, dissertations, thesis papers, assignments, book reviews, speeches, book reports, custom web content and business papers. We also have a team of customer support agents to deal with every difficulty that you may face when working with us or placing an order on our website.
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#Article summary apa format example professional
Scholar Assignments are your one stop shop for all your assignment help include a team of writers who are highly experienced and thoroughly vetted to ensure both their expertise and professional behavior. Simply, a research paper eport is a systematic write up on the findings of the study including methodologies, discussion, conclusions etc.