Research FinalD
T or F: By definition, scholarly writing is not aimed at persuading readers
False
T or F: Generally, it is not necessary to pretest a well-designed questionnaire
False
T or F: If your results are reliable, it means they must be accurate or true
False
T or F: In non-probability sample, every unit has an equal chance of being selected
False
T or F: Intercoder reliability attempts to show that a measure of communication will produce the same results at two different times if everything else is the same
False
T or F: Research reports for a corporate audience should always have a full scholarly literature review
False
T or F: The goal of experimental design is to determine correlations
False
T or F: To determine causation, the independent variable must be caused by the dependent variable
False
T or F: Standard error decreases as sample size decreases
False (error deceases as sample size increases)
T or F: Mean, median, and mode are all measures of dispersion
False: measures of central tendency
Which of the following is NOT true of the survey method?
Most survey questions are open-ended
Stratified random sampling is a way to ensure that
Small but important subgroups of a population are captured in a sample
Which of the following is the more sophisticated experimental design?
Solomon Four-Group
The letters SPSS stand for
Statistical Package for the Social Sciences
Correlation coefficients indicate the
Strength of the relationship between two variables
T or F: A z-score is the number of units of standard deviation a value is above or below the mean
True
T or F: Double-barreled questions ask two questions simultaneously but allow for only one answer
True
T or F: Factorial designs are experimental students that manipulate two or more variables
True
T or F: For observational studies. it is essential to maintain notes for everything that happens during your research
True
T or F: Generally, larger sample sizes reduce sampling error
True
T or F: In test-retest, a test is given to a group of people and then repeated, with the same people, a week or two later
True
T or F: Minimum, maximum, and range are all measures of dispersion
True
T or F: Nominal and ordinal data are considered "discrete" variables
True
T or F: Often, scholarly research is presented at a conference before it is published
True
T or F: One problem with writing research results for news media is that research details get dropped
True
T or F: Quota sampling is one type of purposive sampling
True
T or F: The focus of internal validity is on experimental design
True
T or F: The focus or external validity is on whether the experiment has captured the external world the researcher is investigating
True
Which of the following is not a measure of central tendency? (mean, median, mode, variance)
Variance
Correlation scores range between
0 and 1
A questionnaire is
A specific set of questions respondents answer
Which of the following is not a guide for writing in scholarly style? (MLA, APA, AP, Chicago)
AP
Adapting scholarly research reports to the needs of news media means
Answering the "so what?" question
Which of the following is not a demographic question? age, gender, marital status or attitude to marriage
Attitude to marriage
Ratio scales have values that
Can be computed and a true zero
A study that includes every member of a population is a
Census
Age ___ 0-4___5-9____10-14___15-19 example of what scale
Interval
Leading questions are questions that
Lead respondents to give answers the research is looking for
A course in communication ethics is essential to my career (strongly disagree, neutral, strongly agree) example of:
Likert-type Scale
The leadership in my work is (powerful --- weak) example of:
Semantic Differential Scale
Press, radio, tv: example of what measurement
Nominal
NOIR means
Nominal - Ordinal - Interval - Ratio
"Freshman, sophomore, junior, senior) example of ____ measurement
Ordinal
Every single unit of a group you want to study makes up a
Population
Statistics that describe only one variable are known as _______ statistics
bivariate
The term ecological isomorphism refers to the extent in which the
experimental conditions replicate real-life conditions
The t test compares
the mean scores of two groups on the same variable to determine the probability that the groups are different
Dichotomous questions ask respondents to select one response from _________ possible response(s)
two