Question 1
3/ 3pts
Christopher Brown's (2009) study examining the disconnect between
prekindergarten and elementary school teaching approaches was an
example of a (n):
one shot case study.
Question 2
3/ 3pts
Which of the following is NOT a characteristic of a true experiment?
Sample size of at least 10 subjects
Question 3
3/ 3pts
Another term for trend study is:
.
repeated cross-sectional design.
Question 4
3/ 3pts
Project STAR was the only large-scale, randomized trial study that examined:
class size effects.
Question 5
3/ 3pts
A researcher who draws conclusions about individual-level processes from
group-level data may be making a (n) _____ fallacy.
ecological
Question 6
3/ 3pts
When members of a treatment group change simply as a result of being part
of an experiment this is called:
Hawthorne effect.
Question 7
3/ 3pts
A representative sample of teachers was surveyed five times in a one year
period as part of a study examining teaching methods for shy children.! By
the fourth round of surveys, many of the teachers responded with pat
answers in order to get the survey over with. The teachers were likely
exhibiting:
subject fatigue.
Question 8
3/ 3pts
When attempting to establish a causal effect, which one of the following
criteria is considered a requirement?
Appropriate time order
Question 9
3/ 3pts
A repeated cross-sectional design is better than a panel design for testing
causal hypothesis.
False
Question 10
3/ 3pts
Process analysis is a technique for avoiding treatment misidentification.
True
Question 11
3/ 3pts
Compensatory rivalry is another name for the Hawthorne effect.
False
Question 12
3/ 3pts
All true experiments have a posttest.
True
Question 13
3/ 3pts
Which action is NOT included in the preparation for data analysis?
Filter the data
Question 14
3/ 3pts
The concept of _____ is central to the ethical use of statistics.
honesty
Question 15
3/ 3pts
The most frequent value in a distribution is the:
mode.
Question 16
3/ 3pts
According to the _____ hypothesis, there is no relationship in the population;
whereas the _____ hypothesis suggests that there is a relationship.
null; research
Question 17
3/ 3pts
Frequency distributions that display percentages must also include:
the base N.
Question 18
3/ 3pts
_____ occurs when a researcher concludes there is a relationship between
variables in a population when in fact there is none.
Type I error
Question 19
3/ 3pts
How may the problem of outliers be addressed in a distribution?
Interquartile range
Question 20
3/ 3pts
The _____ indicates how sure we can be, given our particular random sample,
that the value of some statistic in the population falls within a particular
range.
confidence limit.
Question 21
3/ 3pts
Lack of symmetry is also called:
skewness.
Question 22
3/ 3pts
Level of measurement determines the appropriateness of a particular
statistic.
True
Question 23
3/ 3pts
Although data analysis is important, the plan for data analysis does not need
to be included in a research proposal.
