Discrete data are sometimes referred to as nominal data or categorical data. - Answers True
Generally, reliability can be improved. - Answers True
A Likert-type scale: - Answers has a response set which must be balanced at the ends of the
continuum.
A semantic differential scale: - Answers all of the above
A sampling frame is the available population in which a researcher is interested and from which
research participants are selected. - Answers True
The quality of data interpretation cannot be better than the quality of data collected. - Answers True
Sampling error is: - Answers B and C
Probability sampling means that selection of participants is: - Answers random
Continuous level data: - Answers A and b
In practice, perfect reliability is easily achieved. - Answers False
The smaller the sample, the greater the proportion of participants needed for the sample. - Answers
True
Convenience samples are never an appropriate choice for identifying research participants. - Answers
False
A population is: - Answers c and d
1.Choose the term that matches the description of data type below.
Employment status; Sex
2.Choose the term that matches the description of data type below.
Score on communication competence questionnaire
3. Choose the term that matches the description of data type below.
Ranking of preferences for political candidates
4.Choose the term that matches the description of data type below.
Number of times the audience asks a speaker questions - Answers 1. Discrete data
2. Interval data
3. Ordinal data
4.Ratio data
Measurement allows researchers to make comparisons among: - Answers all of the above
Match the following terms and the descriptions of sampling procedures:
1.Quota Sample
2.Snowball sample
3.Convenience sample
4.Volunteer sample
5.Purposive sample - Answers 1.Researcher seeks a specified number of participants who fit the
characteristics of subgroups important to the research project.
2.Finding additional research participants by asking current participants to recommend individuals
with similar characteristics.
3.Choosing individuals who are convenient and easily available as research participants.
4.Using the individuals who offer to participate in a research study.
5.Choosing individuals to participate in research because they are considered "typical" of the critical
characteristics important to the research project
1.Simple random sampling
2.Systematic sampling
3.Stratified random sampling
4.Cluster sampling - Answers 1.Every person has an equal chance of being selected; individuals are
selected one at a time and independently.
2.Divide the population by the desired sample size to establish that every nth person should be
selected; select a random number to establish where in the list to begin selection.
3.Population is divided according to homogeneous groups; randomly select participants from each
group.
4.A two-stage sampling process used when the researcher cannot identify a complete listing of the
population.
Sample size is the same as the number of people you ask or select to participate. - Answers False