In quantitative research,
sample size and sampling considerations usually are made with the goal of making statistical generalizations, which involve generalizing findings and inferences from a representative statistical
sample to the population from which the
sample was drawn.
In the adult
sample getting an injection ranked as the most highly feared stimuli with 68.1% of the participants rating it negatively.
"We collect leaf
samples from endangered or virus-infected plants and return to the lab to study their genetic material" He says the research is specifically focused on plants that may have medicinal applications for human health.
This measurement needs to be combined with complementary techniques in order to characterize the distributions over shapes, sizes and orientations of nuclear and magnetic scattering structures in the
sample. Proper Fourier transforms of scattering length distributions taking all these variations into account should then be used to analyze the polarized SUSANS spectra.
They took
samples from 15 people confirmed after death to have had the brain plaques characteristic of Alzheimer's disease and from 15 people who were free of the disease.
(2) CHIS, like any other telephone survey, cannot eliminate all bias, but it has employed a number of methodological and statistical techniques to minimize biases--random generation of phone numbers for the household
sample, random techniques to identify respondents within households and statistical weighting of the final data.
* Although the
samples were cured for 24 hours at 60C (140 F), diesel fuel could still be smelled in the
samples during APA testing.
For depth of the
sample, investigators should note the approximate depth of their own footprints in the soil at the scene.
The method involves a
sample chamber and reference chamber, both with a known volume.
As it happens, the recording technology wasn't sophisticated enough to
sample the Chic song, so the Gang hired a house band to play the same section over and over.
Roughly half of the respondents (51%) knew that the Koran was the Islamic holy book while a little less than half of the
sample (47%) replied that Mecca was the holiest Islamic city and that monotheism was commonly shared by Muslims, Jews, and Christians (45%).
Off-line measurements were made immediately following the acquisition of NO
samples and 1, 2, and 4 hours later.
This
sample is under tension control in front of ground glass plate through which the sheet is evenly illuminated from behind with a light of adjustable intensity.
It is a powerful
sample changer with a built-in ultra-filtration cell, that integrates membrane filtration as a
sample preparation step directly into your automated IC system.
Recently, a question on the Marketing Listserv hosted by the Newsletter & Electronic Publishers Association sparked a spirited discussion of
sample issue direct mail packages.