Observer Variation.
4
The failure by the observer to measure or identify a phenomenon accurately, which results in an error. Sources for this may be due to the observer's missing an abnormality, or to faulty technique resulting in incorrect test measurement, or to misinterpretation of the data. Two varieties are inter-observer variation (the amount observers vary from one another when reporting on the same material) and intra-observer variation (the amount one observer varies between observations when reporting more than once on the same material)
1
observers.
2
Observers (Control theory)
25
Observers (Control theory) -- Congresses : Control and observer design for nonlinear finite and infinite dimensional systems / Thomas Meurer, Knut Graichen, Ernst Dieter Gilles (eds.)
2005
1
Observers (Control theory) -- Mathematics
3
Saturn (Planet) -- Observer's manual : Saturn and how to observe it / Julius Benton
2005
1
Amateur astronomy -- Observers' manuals
2
Artificial satellites -- Observers' manuals
2
Asterisms (Astronomy) -- Observers' manuals : Pattern asterisms : a new way to chart the stars / John A. Chiravalle
2006
1
Asteroids -- Observers' manuals : Asteroids and dwarf planets and how to observe them / Roger Dymock
2010
1
Astronomy -- Observers' manuals.
61
Astronomy -- Africa, Southern -- Observers' manuals : Sky guide Africa South : astronomical handbook for Southern Africa
2003-
1
Astronomy -- Australia -- Observers' manuals. : Halley's comet / by Brian Greig
1985
1
Astronomy -- Australia -- New South Wales -- Sydney -- Observers' manuals : 2011 Australian sky guide / Nick Lomb
2010
1
Astronomy -- Australia -- Sydney (N.S.W.) -- Observers' manuals. : 2011 Australian sky guide / Nick Lomb
2010
1
Astronomy -- Observers' manuals -- Popular works : Twenty-five astronomical observations that changed the world : and how to make them yourself / Michael Marett-Crosby
2013
1
Astronomy -- Southern Hemisphere -- Observers' manuals
2
Auroras -- Observers' manuals : Aurora : observing and recording nature's spectacular light show / Neil Bone
2007
1
Comets -- Observers' manuals : Comets, and how to observe them / Richard Schmude
2010
1
Constellations -- Observers' manuals
11
Double stars -- Observers' manuals
3
Dwarf planets -- Observers' manuals : Asteroids and dwarf planets and how to observe them / Roger Dymock
2010
1
Galaxies -- Observers' manuals
3
Galaxies -- Clusters -- Observers' manuals : Concise catalog of deep-sky objects : astrophysical information for 550 galaxies, clusters and nebulae / Warren H. Finlay
2014
1
Geomagnetism -- Observers' manuals. : Notes on geomagnetic observatory and survey practice / by K. A. Wienert
1970
1
Halley's comet -- Observers' manuals. : Observing Halley's comet / Glenn Dawes...[and others]
1985
1
Jupiter (Planet) -- Observers' manuals
2
Mars (Planet) -- Observers' manuals : Mars and how to observe it / Peter Grego
2012
1
Meteor showers -- Observers' manuals : Atlas of meteor showers : a practical workbook for meteor observers / Philip M. Bagnall
2021
1
Meteorological optics -- Observers' manuals : Out of the blue : a 24-hour skywatcher's guide / John Naylor
2002
1
Meteorology -- Observers' manuals.
2
Meteorology in aeronautics -- Observers' manuals. : Manual of meteorology / Bureau of Meteorology
1966
1
Meteors -- Observers' manuals : Meteors and how to observe them / Robert Lunsford
2009
1
Milky Way -- Observers' manuals.
2
Moon -- Observers' manuals.
8
Multiple stars -- Observers' manuals : Double and multiple stars and how to observe them / James Mullaney
2005
1
Nebulae -- Observers' manuals
3
Neptune (Planet) -- Observers' manuals : Uranus, Neptune, and Pluto and how to observe them / Richard W. Schmude, Jr
2008
1
Planetary nebulae -- Observers' manuals : Planetary nebulae and how to observe them / Martin Griffiths
2012
1
Planets -- Observers' manuals
2
Pluto (Dwarf planet) -- Observers' manuals : Uranus, Neptune, and Pluto and how to observe them / Richard W. Schmude, Jr
2008
1
Radio astronomy -- Observers' manuals : Fundamentals of radio astronomy : observational methods / by Jonathan M. Marr, Ronald L. Snell and Stanley E. Kurtz
2015
1
Solar eclipses -- Observers' manuals.
2
Solar system -- Observers' manuals
3
Solar telescopes -- Observers' manuals : Observing the sun with Coronado telescopes / Philip Pugh
2007
1
Southern sky (Astronomy) -- Observers' manuals.
8
Stars -- Observers' manuals.
12
Stars -- Australia -- Observers' manuals. : The Australian guide to stargazing / Gregg D. Thompson
2001
1
Stars -- Clusters -- Observers' manuals : The Complete Guide to the Herschel Objects : Sir William Herschel's Star Clusters, Nebulae and Galaxies / Mark Bratton
2011
1
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