List of top Research Methodology and Methods Questions

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

The null hypothesis for ANOVA typically is that all

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

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.

A frequency distribution helps

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

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

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

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.

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.

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

_____ 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.

Which of the following is not a data collection method ?

______ 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.

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

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

All the following statements are true about snowball sampling except

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

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

Which of the following statements is correct about implicit alternatives ?

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

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