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Primary And Secondary Data Sources In Research Pdf

primary and secondary data sources in research pdf

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A primary data source is an original data source, that is, one in which the data are collected firsthand by the researcher for a specific research purpose or project. Primary data can be collected in a number of ways. However, the most common techniques are self-administered surveys, interviews, field observation, and experiments.

Data collection plays a very crucial role in the statistical analysis. In research, there are different methods used to gather information, all of which fall into two categories, i. As the name suggests, primary data is one which is collected for the first time by the researcher while secondary data is the data already collected or produced by others. There are many differences between primary and secondary data, which are discussed in this article.

Identifying Information Sources

Secondary sources build upon primary resources by analyzing, interpreting, synthesizing or discussing them. A good way to determine whether or not a source you are evaluating is primary or secondary in nature is to ask yourself:. If you said 'first-hand' then it is likely a primary source. If you said 'second-hand', then it's likely a secondary source. A secondary source may also be a primary source, depending on the context its used in.

The column covered over 35 common research terms used in the health and social sciences. The complete collection of defined terms is available online or in a guide that can be downloaded from the website. What does each and every research project need to get results? Data — or information — to help answer questions, understand a specific issue or test a hypothesis. This data they collect is called primary data.

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Primary and Secondary sources

Primary sources provide a first-hand account of an event or time period and are considered to be authoritative. They represent original thinking, reports on discoveries or events, or they can share new information. Often these sources are created at the time the events occurred but they can also include sources that are created later. They are usually the first formal appearance of original research. Secondary sources involve analysis, synthesis, interpretation, or evaluation of primary sources.

Primary sources are also records of events as they are first described. They interpret, explain or summarize primary sources. Some secondary sources are used to persuade the reader. Secondary sources may be considered less objective. Identifying Information Sources. Overview Scholarly vs. Popular Publications Primary vs.

In a time when data is becoming easily accessible to researchers all over the world, the practicality of utilizing secondary data for research is becoming more prevalent, same as its questionable authenticity when compared with primary data. These 2 types of data, when considered for research is a double-edged sword because it can equally make a research project as well as it can mar it. In a nutshell, primary data and secondary data both have their advantages and disadvantages. Therefore, when carrying out research, it is left for the researcher to weigh these factors and choose the better one. It is therefore important for one to study the similarities and differences between these data types so as to make proper decisions when choosing a better data type for research work. Primary data is the kind of data that is collected directly from the data source without going through any existing sources. It is mostly collected specially for a research project and may be shared publicly to be used for other research.

primary and secondary data sources in research pdf

primary data Original data collected for a specific research goal. qualitative data Data questions or to point the researcher to other sources of information.


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Primary vs. Secondary Sources

Консьерж бросил внимательный взгляд в его спину, взял конверт со стойки и повернулся к полке с номерными ячейками. Когда он клал конверт в одну из ячеек, Беккер повернулся, чтобы задать последний вопрос: - Как мне вызвать такси. Консьерж повернул голову и. Но Беккер не слушал, что тот. Он рассчитал все. Рука консьержа только что покинула ячейку под номером 301.

Безопасность шифра не в том, что нельзя найти ключ, а в том, что у большинства людей для этого нет ни времени, ни необходимого оборудования. Стратмор покачал головой: - Это шифр совершенно иного рода. - Иного рода? - Сьюзан смотрела на него вопрошающе. Невзламываемый шифр - математическая бессмыслица. Он это отлично знает. Стратмор провел рукой по вспотевшему лбу.

По-видимому, ее работу прочел не только научный руководитель, потому что вскоре последовал телефонный звонок, а затем по почте ей доставили авиационный билет от АНБ. Все, кто имел отношение к криптографии, знали, что о АНБ собраны лучшие криптографические умы нашей планеты. Каждую весну, когда частные фирмы начинают охоту за талантливой молодежью, соблазняя ее неприлично высокими окладами и фондовыми опционами в придачу, АНБ внимательно наблюдает за этим, выделяет наиболее подходящих и удваивает предлагаемую сумму. АНБ покупает все, что ему требуется. Дрожа от нетерпения, Сьюзан вылетела в Вашингтон. В международном аэропорту Далласа девушку встретил шофер АНБ, доставивший ее в Форт-Мид. В тот год аналогичное приглашение получили еще сорок кандидатов.

 Или мы придем к соглашению. - Какому соглашению? - Немец слышал рассказы о коррупции в испанской полиции.

Она подняла голову. - Не поддающийся взлому алгоритм? - Она выдержала паузу.  - Ах да… Я, кажется, что-то такое читала. - Не очень правдоподобное заявление. - Согласна, - сказала Сьюзан, удивившись, почему вдруг Хейл заговорил об .

Убийство. - Да. Убийство азиата сегодня утром. В парке.

Хейл включил свой компьютер. - Специально для тебя, дорогая.

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    PDF | This paper examined primary and secondary sources of data. Primary Find, read and cite all the research you need on ResearchGate.

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    primary data or secondary data sources, including commercial or open extent graduate student business researchers collect primary data, or rely on access to imstea.org Carlson, J.

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