Grab Samples are discrete subsets of a population thought to be representative of a specific area and a specific time, not necessarily taken at random.

Related Articles

Distribution ■■■■
A Distribution is the concentration of an element at a point over time, over an area, or within a volumea . . . Read More
Random sample at psychology-glossary.com■■■■
Random sample refers to a survey procedure in which every person in the population being studied has . . . Read More
Content validity at psychology-glossary.com■■■
Content validity is a test which is a representative sample of performance in some defined area of job-related . . . Read More
Test battery at psychology-glossary.com■■■
A Test battery is a group of subtests, each assessing a different subject area but all normed on the . . . Read More
Pcb manufacturer at top500.de■■■
Pcb manufacturer: Our HEMEIXIN ELECTRONIC CO.,LIMITED are pcb manufacturer in China for 10years with . . . Read More
Quotation about magnet aluminum wires at top500.de■■■
Quotation about magnet aluminum wires: Should you have any question, pls do not hesitate to contact me, . . . Read More
Central Amazon Conservation Complex at travel-glossary.com■■■
The Central Amazon Conservation Complex is a World Heritage site in Brazil defined by the UNESCO in 2000 . . . Read More
Hypothesis Test ■■■
A Hypothesis Test is a statistical procedure for determining if a sample provides sufficient evidence . . . Read More
Nonparametric Tests ■■■
Nonparametric Tests are all studies involving ranked data, ie., data that can be put in order and used . . . Read More
Volunteer bias at psychology-glossary.com■■■
Volunteer bias refers to a bias in the results of sex surveys that arises when some people refuse to . . . Read More