Results 41 to 50 of about 9,980,765 (244)

Response is increased using postal rather than electronic questionnaires – new results from an updated Cochrane Systematic Review

BMC Medical Research Methodology
Background A decade ago paper questionnaires were more common in epidemiology than those administered online, but increasing Internet access may have changed this. Researchers planning to use a self-administered questionnaire should know whether response
Phil Edwards, Chloe Perkins
doaj   +1 more source

Issues in data collection: missing data and the 2001 New Zealand census [PDF]

, 2001
Missing data plagues all surveys, and to a degree the New Zealand Census suffers from the same malaise. While it is not a high level of missingness, it is present.
Scheffer, Judi
core  

Statistical data preparation: management of missing values and outliers [PDF]

Korean Journal of Anesthesiology, 2017
Missing values and outliers are frequently encountered while collecting data. The presence of missing values reduces the data available to be analyzed, compromising the statistical power of the study, and eventually the reliability of its results.
Sang Kyu Kwak, Jong Hae Kim
doaj   +1 more source

Classification of data collection methods (= Deliverable 3.1 of the OrganicDataNetwork project - Report on collection methods) [PDF]

, 2013
In this report, a number of evaluation and quality criteria for data collection and compilation methods were defined. The results of an online survey on all existing organic market data collection methods in Europe were compiled and assessed ...
Feldmann , Corinna, Hamm, Ulrich
core  

The Leiden Ranking 2011/2012: Data collection, indicators, and interpretation [PDF]

, 2012
The Leiden Ranking 2011/2012 is a ranking of universities based on bibliometric indicators of publication output, citation impact, and scientific collaboration. The ranking includes 500 major universities from 41 different countries.
Calero-Medina, Clara, Kosten, Joost, Noyons, Ed C. M., Tijssen, Robert J. W., van Eck, Nees Jan, van Leeuwen, Thed N., van Raan, Anthony F. J., Visser, Martijn S., Waltman, Ludo, Wouters, Paul   +9 more
core   +3 more sources

The Role of Morphological Information in Processing Pseudo-words in Italian L2 Learners: It’s a Matter of Experience

Journal of Cognition
The productive use of morphological information is considered one of the possible ways in which speakers of a language understand and learn unknown words.
Simona Amenta, Francesca Foppolo, Linda Badan   +2 more
doaj   +1 more source

Position location and data collection system and method Patent [PDF]

, 1969
Development of telemetry system for position location and data ...
Hilton, G. E., Hollenbaugh, R. C., Laughlin, C. R., Jr., Lavigne, R. C.   +3 more
core   +1 more source

Quantitative and qualitative Data on historical Vertebrate Distributions in Bavaria 1845

Scientific Data
Archival collections contain an underutilized wealth of biodiversity data, encapsulated in government files and other historical documents. In 1845, the Bavarian government conducted a comprehensive national survey on the occurrence of 44 selected ...
Malte Rehbein, Belen Escobari, Sarah Fischer, Anton Güntsch, Bettina Haas, Giada Matheisen, Tobias Perschl, Alois Wieshuber, Thore Engel   +8 more
doaj   +1 more source

Last generation instrument for agriculture multispectral data collection [PDF]

, 2017
In recent years, the acquisition and analysis of multispectral data are gaining a growing interest and importance in agriculture. On the other hand, new technologies are opening up for the possibility of developing and implementing sensors with ...
Covi, Daniele, Curzio, Lucia, De Giglio, Michaela, Dubbini, Marco, Gattelli, Mario, Marinello, Francesco, Pezzuolo, Andrea, Yezekyan, Tatevik   +7 more
core  

Acquiring data in medical research: A research primer for low- and middle-income countries

African Journal of Emergency Medicine, 2020
Without data, there is no new knowledge generated. There may be interesting speculation, new paradigms or theories, but without data gathered from the universe, as representative of the truth in the universe as possible, there will be no new knowledge ...
Vicken Totten, Erin L. Simon, Mohammad Jalili, Hendry R. Sawe   +3 more
doaj   +1 more source