• In this case, the 'population' Jagger wanted to investigate was the overall behaviour of the wheel (i.e. the probability distribution of its results over infinitely many trials), while his 'sample' was formed from observed results from that wheel. (wikipedia.org)
  • We recommend passive sampling over active sampling methodologies as they are defined in our study for detection probability and/or occupancy studies focused on declining bat species in areas that have experienced severe WNS-associated impacts. (usgs.gov)
  • This document provides guidance, tools and examples to help select an appropriate probability sampling design for a population-based biomonitoring study or survey within a state. (cdc.gov)
  • This document only focuses on biomonitoring studies for population health surveillance and on examples of population-based or probability sampling. (cdc.gov)
  • Target Population: NHANES II was conducted on a nationwide probability sample of approximately 28,000 persons 6 months through 74 years of age from the civi1ian, noninstitutionalized population of the United States. (cdc.gov)
  • The sample weight is a composite of the individual selection probability, adjustments for nonresponse, and poststratification adjustments. (cdc.gov)
  • In statistics , quality assurance , and survey methodology , sampling is the selection of a subset or a statistical sample (termed sample for short) of individuals from within a statistical population to estimate characteristics of the whole population. (wikipedia.org)
  • Event sampling methodology (ESM) refers to a diary study. (wikipedia.org)
  • ESM is also known as ecological momentary assessment (EMA) or experience sampling methodology. (wikipedia.org)
  • 4.2 These test methods provide specific testing requirements in two distinct sections, the requirements applicable to all units covered by these test methods and those applicable to the specific unit types. (astm.org)
  • The requirements applicable to all units are included in the body of these test methods and those applicable to the specific unit types are included within the annexes. (astm.org)
  • 1.1 These test methods provide various testing procedures commonly used for evaluating characteristics of concrete masonry units and related concrete units. (astm.org)
  • Not all methods are applicable to all unit types, however. (astm.org)
  • 1.3 The test procedures included in these test methods are also applicable to other types of units not referenced in these test methods, but specific testing and reporting requirements for those units are not included. (astm.org)
  • This sampling guide is written to make sharing of samples between researchers specialised in different timber tracking methods possible, as samples should ideally come from the same location in the tree, from the same individual and from well-identified trees when combining methods. (researchgate.net)
  • ESM includes sampling methods that allow researchers to study ongoing experiences and events by taking assessments one or more times per day per participant (n=1) in the naturally occurring social environment. (wikipedia.org)
  • These methods can be advantageous as they impose less demand on participants improving compliance and allowing data to be collected for much longer periods, are less likely to change the behaviour being studied and allow data to be sampled at much high rates and with greater precision. (wikipedia.org)
  • Because of the complex design and the ratio adjustments applied to the sample weights, the direct application of standard statistical analysis methods for variance estimation and hypothesis testing may be very misleading. (cdc.gov)
  • Two of the PACUs evaluated were considered open concept units, one had a 12-patient capacity and about 1500 ft2 of floor space and the other one had a 6-patient capacity and about 800 ft2 floor space. (cdc.gov)
  • The system consists of a self-developed sampler which automatically supplies sample aliquots to a membrane-inlet mass spectrometer. (wiley.com)
  • The operator simply penetrates a silicon membrane with a pencil point needle to collect a sample. (accuflowsystems.com)
  • The lid is not only protecting the unit when not sampling it is also designed as a tool to unscrew the compression part that holds the membrane in place. (accuflowsystems.com)
  • The most important part of the sample port is of course to have a high quality membrane. (accuflowsystems.com)
  • The Kest sampling membrane is made in regards to the Pharma demands and fulfill USP Class VI. (accuflowsystems.com)
  • Substances and Disease Registry (ATSDR) to evaluate formaldehyde air sampling data collected by the U.S. Environmental Protection Agency (EPA) in 96 unoccupied trailers. (cdc.gov)
  • EPA completed the sampling on October 10, 2006, and FEMA provided the data to ATSDR on December 6, 2006. (cdc.gov)
  • Accordingly, the data were generated by conducting air sampling for formaldehyde in new, unoccupied trailers under three specific conditions: 1) when the trailers had been closed and unventilated, and during a two-week intervention period with 2) air conditioning on or 3) windows open. (cdc.gov)
  • Analysis of the air sampling data provides answers to both questions. (cdc.gov)
  • The sampling_parameter_unit element specifies the unit of measure of associated data sampling parameters. (nasa.gov)
  • read_ec_sensors_data: function used for accessing sensors values * @curr_sampl_freq: current sampling period * @fifo_max_event_count: Size of the EC sensor FIFO + * @frequencies: Table of known available frequencies: + * 0, Min and Max in mHz. (kernel.org)
  • Sampling has lower costs and faster data collection compared to recording data from the entire population, and thus, it can provide insights in cases where it is infeasible to measure an entire population. (wikipedia.org)
  • In survey sampling , weights can be applied to the data to adjust for the sample design, particularly in stratified sampling . (wikipedia.org)
  • This paper explores the information forest inventory data can produce regarding forest types that were not sampled and develops the equations necessary to define the upper confidence bounds on not-sampled forest types. (mcfns.com)
  • Finally, a cost analysis of standard passive and active sampling protocols revealed that passive sampling is substantially more cost-effective than active sampling per hour of data collection. (usgs.gov)
  • If one or more of the components of Precision Farming Technology is not available, a traditional sampling and testing approach will probably provide just as much useful data, thus saving the time and money spent on developing a detailed sampling strategy. (ufl.edu)
  • Some authors also use the term experience sampling to encompass passive data derived from sources such as smartphones, wearable sensors, the Internet of Things, email and social media that do not require explicit input from participants. (wikipedia.org)
  • Since the sample is not a simple random one and certain population groups were oversampled, it is necessary to incorporate the person's sample weight for proper analysis of the data. (cdc.gov)
  • The NHANES II data were collected using a complex sample design involving both clustering and stratification. (cdc.gov)
  • This is an optional accessory that integrates with the instrument to observe the sample during thermal measurements. (hitachi-hightech.com)
  • The WAG concentration measurements collected were area samples and not exposure concentrations measured from workers' breathing zones, however comparison of the observed results with occupational exposure limits can provide some context. (cdc.gov)
  • Some labs use different measurements or may test different samples. (medlineplus.gov)
  • A coordinated sample design was developed for the 2014 through 2018 NSDUHs. (samhsa.gov)
  • The coordinated design facilitated 50 percent overlap in third-stage units (area segments) within each successive 2-year period from 2014 through 2018. (samhsa.gov)
  • Statisticians attempt to collect samples that are representative of the population. (wikipedia.org)
  • In 2014, a random half sample of non-pregnant participants aged 20-69 years examined in the MEC were asked to collect their urines for a 24-hour period. (cdc.gov)
  • A random one-half sample of all examined participants aged 20-69 years, except a few eliminated based on exclusion criteria such as pregnancy, were asked to collect a 24-hour urine specimen. (cdc.gov)
  • The type of sampling scheme is also site-specific, depending on the factors involved and the goals set. (ufl.edu)
  • It may be that only certain types of individuals are willing to participate in this type of study creating an unrepresentative sample. (wikipedia.org)
  • Biosource, sample and extract is the parent type of sample, extract and labeled extract, respectively. (lu.se)
  • A cost-benefit ratio should be worked out beforehand, because soil sampling and analyses costs can add up very quickly, thus diminishing the returns. (ufl.edu)
  • Single-season occupancy models revealed lower detection probabilities of all detected species using active sampling versus passive sampling. (usgs.gov)
  • Soil sampling assumes much greater significance when Precision or Site-specific Farming is adopted, because of the precision and representation required, the variable rates of nutrient calculation and application, and the economics of the technology as a whole. (ufl.edu)
  • In the summers of 2011 and 2012, we compared passive and active acoustic sampling for bats at 31 sites at Fort Drum Military Installation, New York. (usgs.gov)
  • We defined passive sampling as acoustic sampling that occurred over a 12-h period (1900-0700 hours) without a user present and with the microphone set in a predetermined direction. (usgs.gov)
  • A paired t-test of simultaneous sampling on 21 occasions revealed that overall recorded foraging activity per hour was greater using active than passive sampling for big brown bats and greater using passive than active sampling for little brown bats. (usgs.gov)
  • Many research questions can benefit from both active and passive forms of experience sampling. (wikipedia.org)
  • A sample was then extracted in 2020, with the long journey back to Earth starting in 2021. (ctvnews.ca)
  • The purpose of this fact sheet is to help identify different soil sampling strategies, and related advantages and disadvantages, if adoption of Precision Agriculture Technology is being considered. (ufl.edu)
  • It is extremely important to consider the components of Precision Technology and assess their availability and management when developing a soil sampling strategy. (ufl.edu)
  • Adjusted sampling weights were then computed for 76 age, sex, and race categories to inflate the sample in such a manner as to closely reflect the estimated civilian, noninstitutionalized U.S. population 6 months through 74 years of age at the midpoint of the survey (March 1, 1978). (cdc.gov)
  • Therefore, instead of there being one sample weight per person, there are several sample weights for each person. (cdc.gov)
  • When analyzing the special subsamples, the analyst must be careful to select the appropriate sampling weight from the weights found in tape locations 282-317. (cdc.gov)
  • For a more complete description of how the sample weights are calculated, see the detailed note section of this documentation. (cdc.gov)
  • Representative soil samples are the key to success of any nutrient management program because the analyses and the resulting nutrient recommendation will only be as good as the soil sample itself. (ufl.edu)
  • The purpose of soil sampling should be clearly determined prior to beginning a detailed sampling of the area. (ufl.edu)
  • Soil sampling needs should be assessed after considering the ability to absorb the costs through the initial startup funds, because the returns will not be available until after the harvest season and will depend on the market conditions. (ufl.edu)
  • A specialized soil sampling scheme should not be developed and implemented if the ability to treat and manage the respective field is lacking. (ufl.edu)
  • It is always helpful to gather information from a single soil-sampling trip because additional trips consume time and financial resources. (ufl.edu)
  • Soil samples can be obtained to analyze for both physical and chemical properties. (ufl.edu)
  • The key part of soil sampling and analyses is the fertilizer recommendation that accompanies each soil test report. (ufl.edu)
  • The sample port is easily attached to a tank or pipe with a standard TriClamp connection like Kest-Lock. (accuflowsystems.com)
  • Although the population of interest often consists of physical objects, sometimes it is necessary to sample over time, space, or some combination of these dimensions. (wikipedia.org)
  • PYS consists of three samples of boys who were in the first, fourth, and seventh grades in Pittsburgh, Pennsylvania public schools during the 1987-1988 academic year (called the youngest, middle, and oldest sample, respectively). (umich.edu)
  • The sample consists of 128 participants: nurses, technicians and nursing assistants. (bvsalud.org)
  • In business and medical research, sampling is widely used for gathering information about a population. (wikipedia.org)
  • E. coli is a widely accepted collection, inspecting the physical condition of, and taking water indicator organism for samples from, five wells and fifteen standpipes in Brookfields and in assessing contamination of Wilberforce, and from the public water company that supplies piped drinking water and is the only true fecal coliform water to Freetown. (who.int)
  • The sampling scheme may have to be tried or modified beyond a season or a year in order to evaluate and document the economic returns. (ufl.edu)
  • Aim: To evaluate the influence of light-curing units and light-curing time on the microhardness of a nanofilled composite resin. (bvsalud.org)
  • Thus, it is important to evaluate the minimum light-curing time required for correct polymerization in accordance with the light-curing unit used. (bvsalud.org)
  • To analyze risk factors for colonization with ESBL-producing bacteria at intensive care unit (ICU) admission, we conducted a prospective study of a 3.5-year cohort of patients admitted to medical and surgical ICUs at the University of Maryland Medical Center. (cdc.gov)
  • To our knowledge, no study of the magnitude of our study has been conducted, nor have any studies based in the United States sought to identify risk factors for colonization with ESBL-producing bacteria on admission to an intensive care unit (ICU). (cdc.gov)
  • The primary objective of our study was to identify factors predictive of colonization with ESBL-producing bacteria at admission to an intensive care unit (ICU). (cdc.gov)
  • ABSTRACT A better understanding of risk factors for neonatal intensive care unit (NICU) admission can inform interventions to improve neonatal survival. (who.int)
  • Results: There were no statistically significant differences for the polymerization unit and light-curing time factors in either top or bottom surface. (bvsalud.org)
  • Because there is very rarely enough time or money to gather information from everyone or everything in a population, the goal becomes finding a representative sample (or subset) of that population. (wikipedia.org)
  • Time spent in making the sampled population and population of concern precise is often well spent because it raises many issues, ambiguities, and questions that would otherwise have been overlooked at this stage. (wikipedia.org)
  • The exposure scenarios examined by the sampling were not intended to represent those that people living in trailers would experience. (cdc.gov)
  • In 1977, NIOSH recommended that occupational exposure to halogenated anesthetic agents, when used as the sole anesthetic, should be control led so that no worker would be exposed to time-weighted average concentrations greater than 2 ppm during anesthetic administration over a sampling period of less than 1-hour. (cdc.gov)
  • Examples are provided that demonstrate how the resultant equations are relevant to creating mid-level vegetation maps by assisting in the development of statistically defensible map units. (mcfns.com)
  • In studying human populations, observation units are often individuals. (cdc.gov)
  • For all your theme testing and plugin development needs, here's a huge list of WordPress sample content collections and dummy content generators. (w-shadow.com)
  • The oldest sample was assessed from ages 13-25, with an additional assessment at age 35. (umich.edu)
  • It provides information about how the activities in each unit relate to the Business Preliminary exam and BULATS test. (cambridge.org)
  • Consequently, the final sample for the study consisted of 1,517 total students selected for follow-up. (umich.edu)
  • This study collection contains only the middle sample respondents. (umich.edu)
  • The objective of this study is to identify the stress level of active nurses in Emergency Care Units. (bvsalud.org)
  • The study is descriptive, transversal and quantitative, developed in Emergency Care Units in a municipality in the state of São Paulo. (bvsalud.org)
  • SAMPLE DESIGN Arid RECOMMENDATIONS FOR ANALYSIS NHANES II uses a multistage sample designed to represent the civilian, noninstitutionalized population of the United States, 6 months through 74 years of age. (cdc.gov)
  • Sample question types are provided below for illustration. (autodesk.com)
  • When halogenated anesthetics are associated with nitrous oxide, NIOSH recommends that the limit value should not exceed 0.5 ppm over the same sampling period. (cdc.gov)
  • This unit is intended to be the first in a programme of learning for a year-long health education programme at level 8. (tki.org.nz)
  • The high resolution obtained through a high intensity of samples from a given area may not always translate into useful and practical information. (ufl.edu)
  • The optimum number of samples required from a particular field is often determined from the historical logs and experience of high- and low-yielding areas, areas with identifiable features like depressions, etc. (ufl.edu)
  • The NHANES II sample was selected so that certain population groups thought to be at high risk of malnutrition (persons with low incomes, preschool children, and the elderly} were oversampled. (cdc.gov)
  • [2] Acceptance sampling is used to determine if a production lot of material meets the governing specifications . (wikipedia.org)
  • Aluminum Sample Packs 7075 offer an inexpensive way to make sure you get the correct material for your project. (onlinemetals.com)
  • This is a guide for the collection of reference samples of trees to enable the identification of species and/or geographical origin of woody material. (researchgate.net)
  • As we work toward a full review, read our shooting experience report and check out our real-world samples gallery to find out if the a6000 is more than a refreshed NEX-6 by another name. (dpreview.com)
  • This concludes the health consultation process for this sampling, unless additional information is obtained by ATSDR which, in the Agency's opinion, indicates a need to revise or append the conclusions previously issued. (cdc.gov)
  • Unless the information gathered from additional samples collected and analyzed can be directly used to improve management and profitability, an intensive sampling should not be attempted. (ufl.edu)
  • Check out these audio plugins and soundware (samples, presets, etc.) and plugin hosts for all operating systems (Windows, MacOS, Linux, iOS and Android). (kvraudio.com)
  • The frequent sampling of events inherent in ESM enables researchers to measure the typology of activity and detect the temporal and dynamic fluctuations of experiences (e.g., at work, or in a relationship). (wikipedia.org)
  • For conducting event sampling, SurveySignal and Expimetrics are becoming popular platforms for social science researchers. (wikipedia.org)
  • Typically, participants are asked to self-report on the behavior of interest at pre-determined intervals which are determined on the basis of either theoretical or logical units of time. (wikipedia.org)
  • In sampling, this includes defining the " population " from which our sample is drawn. (wikipedia.org)
  • This free download includes the entire "Sevens Unit workbook pages" and Sevens Song audio file taken from the Powerdot Multiplication program used in schools and homes across the county. (powerdotmath.com)
  • The MEC urine sample was measured to examine the utility of spot urine specimens in estimating 24-hour electrolyte excretions at the population level. (cdc.gov)
  • Year-round daily wet-only precipitation sampling, every sixth day aerosol and vapor phase sampling (24 hour sample). (uvm.edu)
  • For those who completed the 24-hour urine collection, we also analyzed urine electrolytes (sodium, potassium, and chloride) and creatinine in their stored urine samples from the MEC. (cdc.gov)
  • The number of air changes per hour (ACH) for each unit was calculated and compared to ANSI/ASHRAE Standards. (cdc.gov)
  • The population from which the sample is drawn may not be the same as the population from which information is desired. (wikipedia.org)
  • La présente étude avait pour objectif de décrire une population de nouveau-nés admis en unité de soins intensifs néonatals à Amman (Jordanie) et de mener une étude comparative avec des nouveau-nés rentrés à domicile. (who.int)
  • In addition, random sampling is also conducted in community health centers, and among the large foreign worker population. (who.int)
  • Changes in the sample status can be displayed in "real time. (hitachi-hightech.com)
  • This marks the U.S.'s first sample return mission of its kind and will open a time capsule to the beginnings of our solar system," the agency said on the social media platform. (ctvnews.ca)
  • We defined active sampling as acoustic sampling that occurred in 30-min intervals between the hours of sunset and 0200 with a user present to manipulate the directionality of the microphone. (usgs.gov)
  • Mislabeling the recipient's pretransfusion sample at collection and failing to match the intended recipient with the blood product immediately before transfusion are the usual causes. (msdmanuals.com)
  • Each sample port can facilitate 8 samples per batch. (accuflowsystems.com)
  • It represents the maximum number of defective units, beyond which a batch is rejected. (who.int)
  • Although diverse methodologies related to this distribution have been proposed, the problem of determining the optimal sample size when estimating its mean has not yet been studied. (mdpi.com)
  • This sample showcases a simple contact list written in Angular 8 . (github.com)
  • Europe, our second connecting continents unit, is one of our most popular units in the series. (gatherroundhomeschool.ca)
  • The Kest Sampling Unit has become a very popular sampling solution, it combines sampling at controlled conditions with cost efficiency and ease of use. (accuflowsystems.com)
  • means the Partnership 's 8.5% Series A Cumulative Redeemable Partnership Units , with the rights , priorities and preferences set forth herein. (lawinsider.com)
  • At the Effective Date, the Units will be comprised of (i) a class of Common Units and (ii) a class of Series A Preferred Units . (lawinsider.com)
  • In any vote or consent of the Members where the Members holding Series A Preferred Units are entitled to vote, the holders of Series A Preferred Units will vote on an as converted to Common Unit basis assuming such Series A Preferred Units are converted pursuant to the Series A Preferred Conversion. (lawinsider.com)
  • The Corporation shall be entitled to receive distributions other than liquidating distributions in respect of the Series A Preferred Units in the manner set forth in Section 4.01(a)(i) and Section 4.01(b)(i)(A). (lawinsider.com)
  • Distributions on the Series A Preferred Units will be cumulative from and including the Series A Preferred Unit Initial Accrual Date, or, with respect to the special distribution right referred to in Section 16.2.E below, from, and including, the first date on which the dividend rate payable on the Series A Preferred Shares is increased in accordance with the Series A Preferred Shares Terms. (lawinsider.com)
  • The Series A Preferred Units shall not be transferable except upon the redemption thereof in accordance with Section 4.7.B or to a successor Member in accordance with Section 11.2. (lawinsider.com)
  • means any Units designated as " Series A Convertible Preferred Units " and issued pursuant to Section 5.8 , including any Units issued under Section 5.8(b)(ii) and any Series A PIK Units . (lawinsider.com)
  • means the Series A Preferred Units representing limited partner interests in the Partnership and having the rights and obligations specified in the Partnership Agreement . (lawinsider.com)
  • means the Partnership 's 8 1/2% Series A Cumulative Redeemable Partnership Units . (lawinsider.com)
  • means the Series A Preferred Units representing limited partner interests in the Partnership and having the rights and obligations specified in the Partnership Agreement to be issued and sold to the Purchasers pursuant to the Purchase Agreement , including any PIK Units issued in respect thereof. (lawinsider.com)
  • means " Series A Cumulative Convertible Preferred Units " as defined in the Partnership Agreement . (lawinsider.com)
  • Our second unit was the introduction to a series we did covering each continent. (gatherroundhomeschool.ca)
  • Australia + Oceania is the final unit in our continental unit series. (gatherroundhomeschool.ca)