Exam (elaborations)
Psych 308 Exam Detailed Questions And Expert Answers
- Course
- Psych 308
- Institution
- Brigham Young University
Psych 308 Exam Detailed Questions And Expert Answers
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Psych 308 Exam Detailed Questions AndExpert Answers
Which of the following is true regarding statistics? - ANS Competence with
statistics is a broadly applicable and highly marketable skill which is trending
upward.
Which of the following is the correct sequence involved in the scientific method? -
ANS Hypothesis formation>Research design>Data collection>Data analysis>Draw
conclusions
Which of the following is a difference between a population and a sample? - ANS A
population is all the people you are interested in, while the sample is all the people
you have data on.
Which of the following is ideal in a good sample? - ANS Representative of the
population
Which of the following best distinguishes constants and variables? - ANS Constants
are things that are the same across people; variables are things that vary across
people.
BYU professors and graduate students conducted a longitudinal study of links
between time spent using social media and mental health (Coyne, Rogers, Zurcher,
Stockdale, & Booth, 2020). Participants responded to a single social media use
,item, "How much time do you spend on social networking sites, like Facebook, on
a typical day?," using a Likert scale from 1 (none) to 9 (more than 8 hours).
How would you classify the social media use variable in terms of the nature of the
phenomena and the scale of measurement? - ANS Continuous; ordinal
The Timeline Followback (Sobell & Sobell, 1992) is well-established measure of
substance use. Participants are given a calendar, and for each day they indicate
the number of full drinks they had on that day.
How would you classify the substance use variable in terms of the type of variable
and the scale of measurement? - ANS Discrete; ratio
Hundreds of studies have examined parenting using the parenting styles model,
initially outlined by Dianna Baumrind. The four parenting styles are authoritative,
authoritarian, permissive, and neglectful. Suppose you did such a study, assessed
parenting, and then assigned each family to one of these four parenting styles.
How would you classify the parenting styles variable in terms of the nature of the
phenomena and the scale of measurement? - ANS Categorical; nominal
Which type of phenomena have magnitude (i.e., involve more or less of a
phenomena)? - ANS Discrete; continuous
What is the key difference between nominal and ordinal scales of measurement? -
ANS Nominal does not have magnitude, ordinal does.
What is the key difference between ordinal and ratio scales of measurement? -
ANS Ratio variables are more precise than ordinal variables.
, Which scale(s) of measurement can be used to operationalize a continuous
variable (i.e., to turn it into data)? - ANS Ordinal and ratio
What scale of measurement is most ideal from a statistical standpoint? - ANS Ratio
What is one of the major pros of experimental research design? - ANS Ability to
infer causality
What is one of the major pros of correlational research design? - ANS Real-world
validity
What's the difference between cross-sectional and longitudinal design? - ANS
Cross-sectional designs involves a single time point, while longitudinal designs
involve multiple time points.
Which of the following is a true compare/contrast between descriptive and
inferential statistics? - ANS Descriptive statistics describe the sample; inferential
statistics make inferences about the population.
Which of the following is a descriptive statistic? - ANS Mean
Which of the following is an inferential statistic? - ANS ANOVA
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