Exam 4: Sampling Foundations of Sampling

When sampling is done to find certain types of people,such as people who have been married for at least two years,the sample is most likely a(n)____ sample.

Assembling a sample of persons with known or demonstrable experience in some area is referred to as _______________.

The _______________ is a model for generalizing from a study to other contexts based upon the degree to which the other context is similar to the study context.

The model for generalizing in which the population is identified,a fair sample is drawn,the research is conducted,and finally the results are generalized to other populations or groups is referred to as a(n)_______________.

What type of sample selects n units out of N such that each _NC_n has an equal probability of being samples,simply by using a table of random numbers,a computer random-number generator,or a mechanical device to select the sample?​

In a census that interviews all individuals in a population,the mean or average income is properly termed a(n)____.

In ____ sampling,the major subgroups of the population are represented in equal amounts.

The best estimate of a population parameter is the ____.

The method of sampling that involves dividing the population into homogeneous subgroups and then taking a simple random sample in each subgroup is _______________.

Nonprobability sampling methods tend to be used during the early stages of testing a new program,intervention,or treatment.

The dimension along which a study context can be related to other potential contexts is called the ____.

Any sample that focuses on diversity or variety is known as a(n)____ sample.

What is systematic random sampling and how is it accomplished?​

An experiment conducted by a college professor with introductory psychology students from his school as the subjects is most likely to be using a(n)____ sample.

A(n)_______________ indicates the lower and upper bounds of the estimate of a statistic.

Systematic error in an estimate is referred to as ____.

The theoretical distribution of an infinite number of samples of the population of interest in a study is called a(n)____ distribution.

In _______________,the sampling is being done for the most frequent or typical case.

Generalizability is possible when a study has good internal validity.

Tonja wants to evaluate the effects of a new school breakfast program on student conduct and academic achievement.She cannot evaluate every student in every school in the district,so she randomly selects several schools and then collects data on all of the students in those schools.What type of sample is she using?​