scholarly journals An adaptive O (log n )-optimal policy for the online selection of a monotone subsequence from a random sample

2017 ◽  
Vol 52 (1) ◽  
pp. 41-53
Author(s):  
Alessandro Arlotto ◽  
Yehua Wei ◽  
Xinchang Xie
Keyword(s):  
Random Sample ◽  
Optimal Policy ◽  
Monotone Subsequence ◽  
Selection Of

Questions Collaborative Dexamethasone Trial

PEDIATRICS ◽  
1992 ◽  
Vol 89 (6) ◽  
pp. 1266-1266
Author(s):  
ROSAMOND JONES ◽  
ADRIAN GRANT ◽  
Keyword(s):  
Clinical Practice ◽  
Random Sample ◽  
Human Beings ◽  
Eligibility Criteria ◽  
Clinical Uncertainty ◽  
Trial Entry ◽  
Selection Of

In Reply.— We are glad to respond to Dr MacMahon's letter about the generalizability of the results of our trial. Basing trial entry on `clinical uncertainty' is actually one of the strengths of this trial.1 No trial can ever include a random sample of all human beings who meet the eligibility criteria; there is always selection of subjects (whatever the entry criteria). Inevitably, therefore, at some point there has to be a leap of faith from the evidence to clinical practice.2

The Selection of Samples from Large Sherd Collections

1964 ◽  
Vol 29 (4) ◽  
pp. 467-473 ◽  
Author(s):  
George L. Cowgill
Keyword(s):  
Random Sample ◽  
Absolute Size ◽  
Selection Of

AbstractWhen sherd collections are enormous, it is extremely desirable to have procedures for discarding portions of the material which minimize risks of losing useful information and are easy to apply. It is suggested that sherd lots be made the sampling units. Lots from each provenience category relevant for a given problem can be listed, and then a random sample of lots from each category included in the sample. Since the value of a sample depends more on its absolute size than on the proportion of the population it represents, it is suggested that ceramic categories be roughly ranked according to their scarcity. A relatively small number of lots from each provenience category will provide an adequate sample of common ceramic categories, while a larger number of lots are needed for rare categories. This procedure insures that certain lots will be preserved in their entirety, while common sherd categories may be discarded from other lots if they do not add much to any sample of interest.

scholarly journals Judging good appearance in personnel selection

2018 ◽  
Vol 25 (87) ◽  
pp. 656-675
Author(s):  
Altair dos Santos Paim ◽  
Marcos Emanoel Pereira
Keyword(s):  
Labor Market ◽  
Human Resources ◽  
Random Sample ◽  
Personnel Selection ◽  
Racial Bias ◽  
Selection Process ◽  
Physical Appearance ◽  
Racial Diversity ◽  
Job Applicants ◽  
Selection Of

ABSTRACT Judgement of what one views as good appearance in the selection of job applicants may reveal racial bias in access to the labor market. The purpose of this study is to evaluate the effects of racism in judging physical appearance in personnel selection. The non-random sample was composed of seventy-four (74) participants, of whom forty-two were human resources professionals (57%). The instruments used were an assessment of résumés, a set of prejudice scales, an inventory of racism in the labor market, an indicator of good appearance and a sociodemographic questionnaire. Three hypotheses were tested. Hypothesis 1, which postulated a preference for white candidates was confirmed. Hypothesis 2 was corroborated, because the professionals showed a higher tendency to choose candidates with a fairer complexion. Hypothesis 3, which made reference to good appearance was rejected, because the participants elected hygiene as a further element present in the judgment in selecting candidates. Finally, it is considered that the selection process should be based on the acceptance of racial diversity, a key element for the development of creative and innovative organizations.

scholarly journals Optimal Sequential Selection of a Monotone Sequence From a Random Sample

1981 ◽  
Vol 9 (6) ◽  
pp. 937-947 ◽  
Author(s):  
Stephen M. Samuels ◽  
J. Michael Steele
Keyword(s):  
Random Sample ◽  
Monotone Sequence ◽  
Sequential Selection ◽  
Selection Of

scholarly journals Optimal online selection of a monotone subsequence: a central limit theorem

2015 ◽  
Vol 125 (9) ◽  
pp. 3596-3622 ◽  
Author(s):  
Alessandro Arlotto ◽  
Vinh V. Nguyen ◽  
J. Michael Steele
Keyword(s):  
Central Limit Theorem ◽  
Limit Theorem ◽  
Central Limit ◽  
Monotone Subsequence ◽  
Selection Of

Recruiting Worksites to Participate in a Health Promotion Research Study

1997 ◽  
Vol 11 (5) ◽  
pp. 344-351 ◽  
Author(s):  
Beti Thompson ◽  
June van Leynseele ◽  
Shirley A. A. Beresford
Keyword(s):  
Health Promotion ◽  
Random Sample ◽  
Research Study ◽  
Vegetable Consumption ◽  
Puget Sound ◽  
Fruit And Vegetable Consumption ◽  
Random Selection ◽  
Research Information ◽  
Size Type ◽  
Selection Of

Purpose. In this study, the type and size of participating and nonparticipating worksites in a health promotion research trial were examined. Design. In-person and telephone contacts were made with representatives from a random sample of eligible worksites recruited to participate in a research trial to increase fruit and vegetable consumption. Setting. Worksites that had 250 to 2000 employees and a worksite cafeteria were recruited. Subjects. Eighty-one worksites were contacted. Measures. A census of eligible worksites (N = 109) formed the recruitment base, and a random selection of worksites (N = 81) was personally contacted and asked to participate in the research. Information on size, type of worksite, and a worksite representative was obtained from a privately compiled list covering the greater Puget Sound area. Eligibility for the project included the presence of an onsite cafeteria at the worksite as assessed by a brief telephone call. Results. Thirty-six of the contacted worksites (44.5%) agreed to participate. There were no significant differences in participation by type or size of worksite. Discussion. Worksites can be recruited to participate in research trials. No particular type or size of worksite is more likely to participate. Instituting pre-randomization participation conditions may reduce post-randomization dropout by ascertaining compliance with research requirements before randomization.

scholarly journals Selection of Sampling Interval and Size of Random Sample for Radar Detection in the Moments Space

2021 ◽  
Author(s):  
Camilo Guillén ◽  
Giorgia Rodríguez ◽  
Nelson Chávez
Keyword(s):  
Random Sample ◽  
Joint Distribution ◽  
Goodness Of Fit ◽  
Sampling Interval ◽  
Radar Detection ◽  
Average Correlation ◽  
Signal Parameters ◽  
Sample Average ◽  
Novel Method ◽  
Selection Of

Recently a novel method for radar detection was conceived to process the scattered signal parameters and detect through its statistical moments. Among the advantages of detection in the moments space stands the opportunity of considering the moments like Gaussian random variables, decreasing the uncertainty about the distribution of the variables used by traditional methods. Therefore, it is very important to study the conditions for assuming the above within certain level of confidence. This work uses real radar signals in order to study the influence of two essential variables for detection in the moments space: the sampling interval and the size of the random sample. Average correlation coefficient, hypothesis testing and numerical goodness-of-fit coefficients are used to estimate the values of the previous variables that allow to take the joint distribution of moments as close to the multivariate Gaussian. The guidelines presented should be taken into account for the proper configuration of detectors in the moments space.

scholarly journals Preliminary evaluation of the Healthy Savings Program: a novel health insurance-based wellness programme to encourage healthy food purchases

2018 ◽  
Vol 21 (15) ◽  
pp. 2875-2883
Author(s):  
Xuyang Tang ◽  
Mary Ann Honors ◽  
Angela R Fertig ◽  
Simone A French ◽  
Jean Abraham ◽  
...  
Keyword(s):  
Health Insurance ◽  
Random Sample ◽  
Fresh Produce ◽  
Ease Of Use ◽  
Preliminary Evaluation ◽  
Insurance Plan ◽  
Convenience Sample ◽  
Price Discounts ◽  
Food Purchases ◽  
Selection Of

AbstractObjectiveTo examine level of participation and satisfaction with the Healthy Savings Program (HSP), a programme that provides price discounts on healthier foods.DesignFor Study 1, a survey was distributed to a random sample of adults who were invited to participate in a version of the HSP that provided a discount for the purchase of fresh produce and discounts on other healthier foods. In Study 2, interviews were conducted with a convenience sample of adults invited to participate in a version of the HSP that provided price discounts on specific products only (no fresh produce discount).SettingThe HSP is provided to all employer-based insurance plan members of a large health plan. Employers can choose to enhance the version of the HSP that their employees receive by paying for a weekly discount on fresh produce.SubjectsEmployees in employer groups that received the enhanced HSP (Study 1) and employees in an employer group (Study 2) that received the standard HSP.ResultsAmong survey respondents in Study 1, 69·3 % reported using the HSP card. Most were satisfied with the fresh produce discount and ease of use of the HSP card. Satisfaction was lower for selection of participating stores, amounts of discounts and selection of discounted products. In Study 2, barriers to the use of the HSP card cited included the limited number of participating stores and the limited selection of discounted products.ConclusionsSatisfaction with some elements of the HSP was high while other elements may need improvement to increase programme use.

scholarly journals PEMBELAJARAN BERMUATAN DISPOSISI MATEMATIKA PADA KELAS X PROGRAM IPS

2016 ◽  
Vol 1 (2) ◽  
pp. 70-82
Author(s):  
Denni Ismunandar
Keyword(s):  
Problem Solving ◽  
Random Sample ◽  
Communication Skills ◽  
Strong Influence ◽  
Problem Based Learning ◽  
Mathematical Communication ◽  
Problem Solving Skills ◽  
Program Selection ◽  
Average Problem ◽  
Selection Of

The purpose of this study was to determine the effectiveness of the model of Problem Based Learning (PBL) charged disposition of mathematics and mathematical communication skills in class X IPS program. Selection  of  a  random  sample  run  private and X IPS chosen as an experimental class 4 and  class  X  IPS  3  as  the  control  class. Results from this study is there a strong influence among the disposition mathematics and mathematical communication in improving problem-solving skills in students. On average problem-solving abilities higher than the experimental class problem-solving abilities in the control class.

scholarly journals Assessment of the Native Plants Market in the Southeastern United States

HortScience ◽  
1998 ◽  
Vol 33 (4) ◽  
pp. 603e-603
Author(s):  
Janet Waterstrat ◽  
Jacquelyn Deeds ◽  
Richard L. Harkess
Keyword(s):  
United States ◽  
Random Sample ◽  
Native Plants ◽  
Southeastern United States ◽  
Demographic Characteristics ◽  
Marketing Strategies ◽  
Selection Of

Recent trade journals and magazines report a widespread and increasingly popular trend encouraging the use of native plants in the landscape. A random sample of 528 Southern Nurserymen's Association 1996 members were surveyed to determine 1) if they had perceived the trend reported in trade and consumer publications towards the selection of native plants, and 2) if there are consistencies in demographic characteristics and aspects of advertising plans among the respondents. Forty-two percent of those surveyed responded. Respondents perceived an overall interest in native plants higher in 1996 than in 1991. Almost half of the respondents had increased quantity and variety of native plants in response to their perceptions; 28% had not responded in any way. Plant professionals who had responded to the perceived trend did not differ significantly from those who had not on selected demographic characteristics. Selected aspects of advertising did not differ significantly except for the extent to which consumer magazines were used as references for marketing strategies.

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