The term core based statistical area cbsa is a collective term for both metro and micro areas. Metapopulation theory states that a large population consisting of a single species is most stable over a large area when it is divided up into smaller subpopulations. Research population the focus group of a scientific query. We need more a specific term because the statistics we use are different depending on group we use. The population parameters are presented in table 91, along with the simple data array from which they were derived. A population may refer to an entire group of people, objects.
Pdf we argue that population growth rate is the key unifying variable linking the various facets of population ecology. A sufficiently large random draw from this population. Implications of decisions surrounding population definition. More specific goals and objectives related to this target population could be outlined as follows. The total number of inhabitants constituting a particular. He importance of identifying and defining the field of population educa. Definition of population growth in the definitions. Population size synonyms, population size pronunciation, population size translation, english dictionary definition of population size. An increase in the number of people that reside in a country, state, county, or city. Definition of statistical population in the definitions. Population definition is the whole number of people or inhabitants in a country or region.
Population genetics ecology in population genetics a sexual population is a set of organisms in which any pair of members can breed together. Governments, corporations and nongovernment organizations use demographics to. In some connection the term is associated with the data collected rather than the extent of the collection so that the term sample census has a distinct meaning. Hie search for a definition with increasing urgency the need for more effective population education asserts itself. The aim of this introductory chapter is to recall the importance and the limits of the genetic definition. All elements, individuals, or units that meet the selection criteria for a group to be studied, and from which a representative sample is taken for detailed examination. Population definition of population by medical dictionary. Scholars could just define the population as the group of internet users, rendering selection bias impossible. Population a group of objects or organisms of the same kind. Businesses and governmental bodies use this information to make determinations about investing in. It is for the benefit of the population that researches are done.
Why population aging matters national institute on aging. The 2010 standards provide that each cbsa must contain at least one urban area of 10,000 or more population. This is a handy primer to explain the differences between population health, population management, and other terms related to the triple aim. Samples and populations uw computer sciences user pages. However, due to the large sizes of populations, researchers often cannot test every individual in the population because it is too expensive and time. Population, in simpler terms, is the number of people in a city or town, region. We need a better definition of her responsibilities. Population distribution is a term that refers to where people live. Every descriptive measure value shown there is a parameter, as it is computed from information obtained from the entire population. The reliability and validity of the research instrument are addressed. Population meaning in the cambridge english dictionary. The aim of this introductory chapter is to recall the importance and. Population is the entire pool from which a statistical sample is drawn. Dictionary grammar blog school scrabble thesaurus translator quiz more resources more from collins.
Population, in simpler terms, is the number of people in a city or town, region, country or world. Secretarygeneral also recognized that, apart from that statistical definition, the meaning of the term youth varies in different societies around the world. Population size definition of population size by the free. Chapter 3 commonly used statistical terms there are many statistics used in social science research and evaluation. In statistics, population may refer to people, objects, events, hospital visits, measurements, etc. The two main areas of statistics are descriptive and inferential. Between 1959 and 2000, the worlds population increased from 2. This glossary contains terminology relating to population and demography. In statistics, a population is the entire pool from which a statistical sample is drawn. Identifying long term english learners across wida to identify and explore the characteristics of the ltel population across contexts requires a uniform ltel definition.
Defining and framing the population sage publications. In biology, a population is all the organisms of the same group or species who live in a. A target population is a certain group of the population that share similar characteristics and is identified as the intended audience for a product, advertising or research. Oecd glossary of statistical terms census definition.
Descriptive statistics involve the tabulating, depicting, and describing of collections of data. The term indigenous has prevailed as a generic term for many years. Governments, corporations and nongovernment organizations use demographics to learn more about. Population density is the term that refers to how many people are in an area. As it is well illustrated by these examples, the concept of population has several meanings. The population of a country or area is all the people who live in it. This means that they can regularly exchange gametes to produce. This first part of the volume deals with the composition of the populations by presenting the cases of three latin american countries either at the national or at the local level. In ghana, the warning that rapid population growth could be an obstacle.
It is a portion of the whole universe of people selected as the objective audience. However, of the 396 entries located with the search term population and. Association for community health improvement offers a definition of the term external icon as well as the goals and processes that hospitals should consider as they implement population health strategies. In that case, population refers to a group of individuals of the same species, occupying a defined area, and usually isolated to some degree from other similar groups. Population explosion refers to the rapid and dramatic rise in world population that has occurred over the last few hundred years. A group of individuals or items that share one or more characteristics from which data can be gathered and analyzed. Chapter 3 research design, research method and population 3.
Definition definition, the act of defining, or of making something definite, distinct, or clear. Yet ongoing population growth pencil drawing techniques pdf is also a. Distribution refers to the fact that the area is inhabited. Apr 07, 20 psychology definition of population research. For the first time in history, and probably for the rest of human history, people age 65 and over will outnumber children under age 5. Population control a broad concept that addresses the relationship between fertility, mortality, and migration, but is most commonly used to refer to efforts to slow population growth through action to lower fertility. Subpopulations are members of population subgroups who exhibit similar specific characteristics which differ from those in the whole study population. Population size definition of population size by the. Service definition manual texas health and human services. Education frequently takes place under the guidance of educators, however learners can also educate themselves. Population structure can be used to categorize populations into many subsections and demonstrate population demographics on a local, regional or national scale.
Population density definition is the number of people living in each unit of area such as a square mile. This means that they can regularly exchange gametes to produce normallyfertile offspring, and such a breeding group is also known therefore as a gamodeme. Glossary of terms on clinical trials for patient engagement advisory committee meeting 1 term definition assent a childs affirmative agreement to participate in a. Population distribution and density are usually notated by how many people live per square mile or square kilometer. Population definition and meaning collins english dictionary. Yet underlying all discussions of the topic is the concern for a comprehensive and acceptable definition of the term. Also known as target audience, this term refers to a group of people that possess certain. A population is the total of all the individuals who have certain characteristics and are of interest to a researcher. Population definition of population by the free dictionary. Population definition of population by merriamwebster. Pdf introduction to population demographics researchgate. The definition of the study population and the sampling process can affect the validity of the research if the study population suffers from sampling error, the study population will not correctly represent the target population if researchers operational definitions of the target population differ, findings might differ across studies. In some countries, there may be preference for other terms including tribes, first peoplesnations, aboriginals. What is the difference between a sample and a population, and why are samples important.
Sep 29, 2019 demographics is the study of a population based on factors such as age, race and sex, among others. Education is the process of facilitating learning, or the acquisition of knowledge, skills, values, beliefs, and habits. Education frequently takes place under the guidance of educators, however learners can. What is the difference between a sample and a population. A population, in statistics and other areas of mathematics, is a discrete group of people, animals or things that can be identified by at least one common characteristic for the purposes of data collection and analysis. A research population is generally a large collection of individuals or objects that is the main focus of a scientific query. Each metropolitan statistical area must have at least one urbanized area of 50,000 or more inhabitants. Each metropolitan statistical area must have at least one urbanized area of. Information and translations of statistical population in the most comprehensive dictionary definitions resource on the web.
For a monthly average daily population take the daily inmate count usually at or near midnight, add these daily counts together and divide by the number of days in that month. To determine whether there has been population growth, the following formula is used. Population density definition of population density by. As quickly becomes apparent, the meaning of this term has expanded. Glossary of demographic terms population reference bureau. Glossary of terms on clinical trials for patient engagement advisory committee meeting 1 term definition assent a childs affirmative agreement to participate in a clinical investigation. A sample is a subset of the individuals in a population. Demographics is the study of a population based on factors such as age, race and sex, among others. Educational methods include teaching, training, storytelling, discussion and directed research.
Sometimes it is easy to define a population in conceptual terms, but difficult to do so in operational terms. The definition of the relevant population and the collection of. Information and translations of population growth in the most comprehensive dictionary definitions resource on the web. The partial enumeration resulting from a failure to cover the whole population, as distinct from a designed sample enquiry, may be referred to as an incomplete census. Population structure is the composition of a given population, which is broken down into categories such as age and gender. Population definition, the total number of persons inhabiting a country, city, or any district or area. Population definitions for comparative surveys in education acer. Decrease the number of youth in the community engaging in alcohol and illegal drug use.
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