The fallout from these changes is often unexpected. When cellphones began, they offered an alternative to land lines.
The first advantage of using secondary data SD has always been the saving of time Ghauri, Not enough with this, in the so called Internet Era, this fact is more than evident.
In the past, secondary data collection used to require many hours of tracking on the long libraries corridors.
New technology has revolutionized this world. The process has been simplified. Precise information may be obtained via search engines. All worth library has digitized its collection so that students and researchers may perform more advance searches.
In the past, SD was often confined to libraries or particular institutions.
Top of that, not always general public gained access. Internet has especially been revolutionary in this sense. Having a internet connection is frequently the only requirement to access.
A simple click is sometimes more than enough to obtain vast amount of information. The problem, nevertheless, is now being able to see whether the data is valid.
In general, it is much less expensive than other ways of collecting data.
One may analyzed larger data sets like those collected by government surveys with no additional cost. Feasibility of both longitudinal and international comparative studies. Continuous or regular surveys such as government censuses or official registers are especially good for such research purposes.
The fact of being performed on a regular or continuous basis allow researchers to analyze the evolution of, to give an example, per capita income in Poland from to Something similar occurs when comparing different countries. Although important difference between countries may exist, the truth is that censuses and other government studies tend to unify criteria all over the world or, at least, within certain geographical areas, such as European Unionor among certain international organizations members, such as OECD.
Another example are the studies carry out by international networks that aims to collect information world-widely following the same criteria. Aiming such data for international or longitudinal studies via primary data collection is truly difficult and often miss the rigor that diverse social contexts comparisons require.
Reanalyzing data can also lead to unexpected new discoveries.
Since the database used may be accessible for outsider, you can analyze the data and come up with new relevant conclusions or simply verify and confirm previous results.
Inappropriateness of the data.
Data collected by oneself primary data is collected with a concrete idea in mind. Usually to answer a research question or just meet certain objectives. In this sense, secondary data sources may provide you with vast amount of information, but quantity is not synonymous of appropriateness.
This is simply because it has been collected to answer a different research question or objectives. The inappropriateness may be, for instance, because of the data was collected many years ago, the information refers to a entire country when one aims to study a specific region, or the opposite, one aims to study an entire country but the information is given in a region wide.On teachers’ salaries, at least, the NCES data is data for WAGES only, not total compensation.
Given their civil service protections, automatic, seniority based promotions, extremely generous benefits and pensions, a picture of flatlining wages is inaccurate. The Lifecycle of a Revolution. In the early days of the public internet, we believed that we were helping build something totally new, a world that would leave behind the shackles of age, of race, of gender, of class, even of law.
This is the first tutorial in the "Livermore Computing Getting Started" workshop. It is intended to provide only a very quick overview of the extensive and broad topic of Parallel Computing, as a lead-in for the tutorials that follow it.
Computer History Questions including "What is meant by data processing" and "Who built the first programmable computer". 1 On September 25, , President George W. Bush signed into law the Americans with Disabilities Amendments Act of (ADA Amendments Act), Public Law The ADA Amendments Act amended the ADA definition of disability to clarify its coverage of persons with disabilities and to provide guidance on the application of the definition.
Jun 28, · From the "horseless carriage" to the internet, technology advances continue to transform the business world. The fallout from these changes is .