Merits And Demerits Of Secondary Data Pdf

merits and demerits of secondary data pdf

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Advantages and Disadvantage of Primary Data and Secondary Data

It helps to make primary data collection more specific since with the help of secondary data, we are able to make out what are the gaps and deficiencies and what additional information needs to be collected. Secondary data is something that seldom fits in the framework of the marketing research factors. Reasons for its non-fitting are Unit of secondary data collection-Suppose you want information on disposable income, but the data is available on gross income. The information may not be same as we require. Open navigation menu.

Secondary Data

Language: English Chinese. The secondary analysis of existing data has become an increasingly popular method of enhancing the overall efficiency of the health research enterprise. But this effort depends on governments, funding agencies, and researchers making the data collected in primary research studies and in health-related registry systems available to qualified researchers who were not involved in the original research or in the creation and maintenance of the registry systems. The benefits of doing this are clear but the barriers are many, so the effort of increasing access to such material has been slow, particularly in low- and middleincome countries. This article introduces the rationale and concept of the secondary analysis of existing data, describes several sources of publicly available datasets, provides general guidelines for conducting secondary analyses of existing data, and discusses the advantages and disadvantages of analyzing existing data. A typical mental health research project begins with the development of a comprehensive research proposal and is hopefully followed by the successful acquisition of funding; the researcher then collects data, analyzes the results, and writes-up one or more research reports.

Before the internet era, accessing good secondary data required marketers to visit libraries or wait until a report was shipped by mail. When online access initially became an option marketers needed training to learn different rules and procedures for each data source. However, the internet has changed how secondary research is accessed by offering convenience e. Researchers are often attracted to secondary data because getting this information is much less expensive than if the researchers had to carry out the research themselves. Secondary research is often used prior to larger scale primary research to help clarify what is to be learned. For instance, a researcher doing competitor analysis, but who is not familiar with competitors in a market, could access secondary sources to locate a list of potential competitors. As noted, secondary data collection is often used to help set the stage for primary research.

Advantages of Secondary Research

If you know the advantages and disadvantages of secondary data, you can make informed decisions and create future-oriented strategies. Wherever you work — in business, marketing, research, or statistics, secondary data sources can help you optimize your current and future results. Secondary data is the data that have been already collected for another purpose but has some relevance to your current research needs. In other words, it has already been collected in the past by someone else, not you. And now, you can use the data.

As we will discuss, research conducted using primary methods are largely controlled by the marketer. However, this is not the case when it comes to data collected by others. Consequently, the quality of secondary research should be scrutinized closely since the origins of the information may be questionable.

Secondary data analysis involves a researcher using the information that someone else has gathered for his or her own purposes. Researchers leverage secondary data analysis in an attempt to answer a new research question, or to examine an alternative perspective on the original question of a previous study. Secondary data, on the other hand, is collected for a different purpose other than the one for which it is used. If an entrepreneur is considering opening a new business, he or she could leverage census data that has been collected by the government.

Primary and Secondary Data in Marketing Research | Merits and Demerits

Secondary data is an important terminology used in research studies where the collected data is of two types that include the primary data and secondary data. The primary data is the data which is collected by the user or researcher himself based on his research question. Generally, the sources for secondarily collected data include the information collected by government organizations, censuses, the records of companies and the other record which were originally collected for other research studies to meet different purposes.

Secondary Research- Definition, Methods and Examples.

Ну, кто-нибудь. Разница между ураном и плутонием. Ответа не последовало. Сьюзан повернулась к Соши.

Где ей еще быть в субботний вечер. Проклиная судьбу, он вылез из автобуса. К клубу вела узкая аллея. Как только он оказался там, его сразу же увлек за собой поток молодых людей.


It is economical. It is time saving. It helps to make primary data collection more specific since with the help of secondary data, we are able to make out what are the gaps and deficiencies and what additional information needs to be collected. It helps to improve the understanding of the problem.


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Чатрукьян растерялся. - Так вы обратили внимание. - Конечно. Он работает уже шестнадцать часов, если не ошибаюсь. Чатрукьян не знал, что сказать. - Да, сэр.

Он посылал какую-то тарабарщину. В конце концов пришлось смирить гордыню и вызвать тебя. Сьюзан это позабавило. Стратмор был блестящими программистом-криптографом, но его диапазон был ограничен работой с алгоритмами и тонкости этой не столь уж изощренной и устаревшей технологии программирования часто от него ускользали. К тому же Сьюзан написала свой маячок на новом гибридном языке, именуемом LIMBO, поэтому не приходилось удивляться, что Стратмор с ним не справился. - Я возьму это на себя, - улыбнулась она, вставая.  - Буду у своего терминала.

Продвигаясь по служебной лестнице, Тревор Стратмор прославился умением сжато и одновременно глубоко анализировать сложнейшие ситуации. Он обладал почти сверхъестественной способностью преодолевать моральные затруднения, с которыми нередко бывают связаны сложные решения агентства, и действовать без угрызений совести в интересах всеобщего блага. Ни у кого не вызывало сомнений, что Стратмор любит свою страну. Он был известен среди сотрудников, он пользовался репутацией патриота и идеалиста… честного человека в мире, сотканном из лжи. За годы, прошедшие после появления в АНБ Сьюзан, Стратмор поднялся с поста начальника Отдела развития криптографии до второй по важности позиции во всем агентстве. Теперь только один человек в АНБ был по должности выше коммандера Стратмора - директор Лиланд Фонтейн, мифический правитель Дворца головоломок, которого никто никогда не видел, лишь изредка слышал, но перед которым все дрожали от страха. Он редко встречался со Стратмором с глазу на глаз, но когда такое случалось, это можно было сравнить с битвой титанов.

Advantages and Disadvantages of Secondary Data

 Так что вы хотите сказать? - спросил. - Джабба хотел сказать, что это, возможно, не шифр-убийца. - Конечно же, это убийца! - закричал Бринкерхофф.

Ему в голову пришла другая мысль.  - Вы дежурили все это время. - Моя смена от семи до семи, - кивнула женщина.

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Naelopfase1988

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Data collected originally by the researcher himself for the purpose of his study are known as primary data datum is the singular form of data.

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