Exam 4: Sampling Foundations of Sampling

The spread of the averages around the average of averages in a sampling distribution is called the ____.

The degree to which the conclusions in your study would hold for other persons in other places and at other times is referred to as _______________.

In sampling notation,ƒ = n/N refers to ____.

What type of samples are selected on the basis of researcher judgment?​

The process of making an inference that the results observed in a sample would hold in the population of interest is referred to as _______________.

After a large local charity is rocked by a spending scandal,Marc wants to know how benefactors feel about the charity and what changes they would like to see made in the future.Marc randomly selects 100 individuals from the list of 1500 by using a random number generator.Marc's sample is best described as a ____ sample.

A threat to external validity is an explanation of how making a generalization might be wrong.

What are snowball and respondent-driven sampling,and how are they related?​

Stratified random sampling that tries to ensure an equal number of units per group is also called ____ random sampling.

A clinical trial is most likely to use a ____ sample.

The group you wish to generalize to is the ____.

Define the theoretical and accessible populations and explain how they are related.

The summary of numerical responses from a sample of a population is called a parameter.

In what type of sample would you divide the sample into groups,typically along geographic lines,randomly select groups,and then measure all units within the sampled groups?​

The dimension along which a study context can be related to other potential contexts to which the results might generalize is called the _______________.

Larger surveys and controlled studies generally employ nonprobability sampling techniques.

The two types of sampling used in research are random sampling and probabilistic sampling.

A sampling method where you determine randomly where you want to start selecting in the sampling frame and then follow a rule to select every x^th element in the sampling frame list is called a ____ method.

In a sample that interviews only some of the individuals in a population,the mean or average income is properly termed a(n)____.

Assume that the scores on a test of anxiety are normally distributed.Assume that the mean score is 6 and the standard error is 0.25.About 68% of the scores will fall in the range ____.