List of top Research Methodology Questions

The null hypothesis for ANOVA typically is that all

________ is a state of very high intercorrelations among independent variables.

A measure of central tendency given as the value above which half of the values fall and below which half of the values fall is the

A statistic that indicates the distribution’s dispersion is a

Which statement is not correct about the null hypothesis?

Also known as beta error, _________ occurs when the sample results lead to the nonrejection of a null hypothesis that is in fact false.

The is the probability of rejecting the null hypothesis when it is in fact false and should be rejected.

are hypothesis testing procedures that assume that the variables of interest are measured on at least an interval scale.

A statistical technique for examining the differences among means for two or more populations is called

A is a summary description of a fixed characteristic or measure of the target population. It denotes the true value that would be obtained if a census rather than a sample was undertaken.

A is a summary description of a characteristic or measure of the sample. It is used as an estimate of the population parameter.

Suppose a simple random sample of five hospitals is to be drawn from a population of 20 hospitals. There are 15{,}504 different samples of size 5 that can be drawn. The relative frequency distribution of the values of the mean of these 15{,}504 different samples would specify the _________ of the mean.

The is the standard deviation of the sampling distribution of the mean or proportion.

_________ are appropriate when there is a single measurement of each element in the sample, or there are several measurements of each element but each variable is analyzed in isolation.

_________ are statistical techniques that attempt to group data based on underlying similarity, and thus allow for interpretation of the data structures. No distinction is made as to which variables are dependent and which are independent.

A frequency distribution helps

All the following statements are true about snowball sampling except:

_________ does not allow direct generalizations to a specific population, usually because the population is not defined explicitly.

________ is a sampling procedure in which each element of the population has a fixed probabilistic chance of being selected for the sample.

A representation of the elements of the target population consisting of a list or set of directions for identifying the target population is a ________.

Which of the following statements is correct about implicit alternatives?

When developing a questionnaire, the six Ws (who, what, when, where, why, and way) are used when ________.

Which of the following statements is not a disadvantage of structured questions?

A _________ is a single question that attempts to cover two issues.