STA630 Quiz # 5 ONLINE

Question
The logic of purposive sampling is:
Select correct option:

1. That a random sample can generalize to a population.
2. That a few information-rich participants studied in depth yield many insights about a topic.
3. To include all participants, even though they are not all relevant to the problem.
4. To use participants because the researcher has access to them.

Question
An indicator of reliability based on the correlations of each item in a measure with every other item is called:
Select correct option:

1. Test-retest reliability
2. Cronbach's alpha
3. Split-half reliability
4. Inter item ratio

Question
Why does qualitative interviewing have an advantage over participant observation when it comes to longitudinal research?
Select correct option:

1. Repeat interviews are easier to organise.
2. It allows for a better exploration of key issues.
3. It is a more focused research method.
4. Participant observers are prone to 'go native' during longitudinal research.

Question #
An operational definition is:
Select correct option:

1. One that bears no relation to the underlying concept.
2. An abstract, theoretical definition of a concept.
3. A definition of a concept in terms of specific, empirical measures.
4. One that refers to opera singers and their work.

Question
To say that a theory is falsifiable is to say that;
Select correct option:

1. It is based on results that are not replicable.
2. Investigators have replaced it with a simpler or more accurate theory.
3. We can imagine results that would contradict it.
4. It is so vague that it fits any and all possible results.

Question
Which type of research address major societal change?
Select correct option:

1. Experimental Research
2. Action Research
3. Social Research
4. Historical Comparative Research

Question
Which term technically describes a situation in which an observer's work in a first-grade classroom disrupts the normal routines due to the curiosity of the students?
Select correct option:

1. Observer effect
2. Participant effect
3. Non participant bias
4. Observer bias

Question
What is the variable called, in an experiment, which is manipulated by the researcher?
Select correct option:

1. Stimulus
2. Control
3. Dependent
4. Independent

Question
If a measure is consistent over multiple occasions, it has:
Select correct option:

1. Inter-rater reliability
2. Construct validity
3. Internal validity
4. Test-retest reliability

Question
Bias is defined as;
Select correct option:

1. The distortion of responses based on gender, ethnicity, race, or language
2. A lack of validity
3. A lack of reliability
4. A poor interpretation of a student's score

Question #
In frequency tables total of columns and rows are called:
Select correct option:

1. Body of table
2. Cell of table
3. Area of table
4. Marginal

Question
What type of the interview that is in which questions are already prepared?
Select correct option:

1. Telephonic interview
2. Personal interview
3. Unstructured interview
4. Structured interview

Question
All of these are characteristics of scientific methods of research except, it is;
Select correct option:

1. Cumulative
2. Deterministic
3. Unethical
4. Rationalism

Question
Which of the following is NOT an unethical issue?
Select correct option:

1. Invoicing irregularities
2. Avoiding legal liability
3. Misrepresenting results
4. Seek approval for research

Question
Which of the following is not something a researcher will have to consider when thinking about their sample size?
Select correct option:

1. Time and cost.
2. Non-response.
3. Length of questionnaire.
4. Heterogeneity of population.

Question
A ________ scale only assigns numbers to objects to classify the objects according to the characteristic of interest.
Select correct option:

1. Ratio
2. Nominal
3. Interval
4. Dichotomous

Question
The logic of qualitative data analysis is described as:
Select correct option:

1. Objective
2. Subjective
3. Inductive
4. Deductive

Question
Which of the following is the best hypothesis statement to address the research question, "What impact will the new advertising campaign have on use of Brand B?"
Select correct option:

1. The new advertising campaign will impact Brand B usage.
2. The new advertising campaign will increase Brand B trial.
3. The new advertising campaign will cause increased Brand B usage at the expense of Brand C.
4. The new advertising campaign will increase Brand B's market penetration.

Question
Detailed and unambiguous instructions are particularly important for:
Select correct option:

1. Computer-assisted telephone surveys
2. Mail surveys
3. Computer-assisted personal interviews
4. Internet surveys

Question
Which of the following terms best describes data that were originally collected at an earlier time by a different person for a different purpose?
Select correct option:

1. Primary data
2. Secondary data
3. Experimental data
4. Field notes