EDR 610 Quiz 4 – Question and Answers
Question 1
1 out of 1 points
The school psychologist administered a series of tests and observed the
... [Show More] student in the classroom to determine if he should be placed in the special education class. This process is called
Selected Answer: b.
Measurement.
Question 2
1 out of 1 points
Which one of the following represents the narrowest set of things to be done?
Selected Answer: a.
Measurement
Question 3
1 out of 1 points
An example of a nominal measurement scale is
Selected Answer: a.
Classification according to race.
Question 4
1 out of 1 points
Organizing and summarizing data in a parsimonious manner is the result of using
Selected Answer: d.
Descriptive statistics.
Question 5
1 out of 1 points
All of the following are characteristics of frequency distributions EXCEPT
Selected Answer: d.
The scores are ranked according to their frequencies.
Question 6
1 out of 1 points
A teacher works with her class in such an effective manner that all but a few of the students master the material at a very high level. The exam scores for these classes are likely to be distributed as
Selected Answer: c.
Negatively skewed.
Question 7
1 out of 1 points
The major concern related to using the mean as a measure of central tendency is its
Selected Answer: b.
Susceptibility to extreme scores.
Question 8
1 out of 1 points
The exam grades in History 1001 for five students were 70, 75, 80, 85, and 90. These same students had grades of 60, 70, 80, 90, and 100 in English 1005. These two sets of scores differ in terms of
Selected Answer: b.
Variation.
Question 9
1 out of 1 points
A researcher found a strong negative correlation between hours viewing television and grades in school. This means that
Selected Answer: b.
The children who watched less television had better school grades.
Question 10
1 out of 1 points
Which of the following statements reflects the characteristics of validity?
Selected Answer: d.
There is evidence related to content, internal structure, and convergent validity, so the inferences drawn for the test are likely to be meaningful.
Question 11
1 out of 1 points
A test is said to be _________ if a person who takes the test obtains about the same score each time it is taken.
Selected Answer: c.
Reliable
Question 12
1 out of 1 points
The authors of the new math test administered the same test to a group of fourth graders in the beginning and the end of the same day. A reliability coefficient of .90 was obtained using this method, and the authors claimed that their test had high reliability. Were the authors correct in making this claim and why?
Selected Answer: c.
No, because the high correlation could have been due to the short duration of the test-retest interval.
Question 13
1 out of 1 points
A researcher is using a scale measuring student's attitude toward high school drug testing programs. Students respond to each item using a five (5) point Likert scale (i.e., strongly agree, agree, neutral, disagree, strongly disagree). Which reliability coefficient should be used?
Selected Answer: d.
Cronbach alpha
Question 14
1 out of 1 points
Test A containing 75 items was given to a mixed ability group of eighth-graders. Test B containing 20 items was given to eighth-grade honors students. Which test is likely to have a higher reliability and why?
Selected Answer: a.
Test A, because the test was longer and was administered to a heterogeneous group of subjects.
Question 15
1 out of 1 points
If a test is administered to one class of students and the scores from it have very little variation in comparison to the other classes, what is likely to happen to reliability of the test for that class?
Selected Answer: b.
It will be lower.
Question 16
1 out of 1 points
Which is the implication of the statement, "Reliability is necessary but not sufficient for validity."?
Selected Answer: c.
A test could be reliable but not valid.
Question 17
1 out of 1 points
Ms. Carter, the special education teacher, has to develop individualized educational programs for all the students in her class. What type of tests should she use to identify what the students do and do not know in each area?
Selected Answer: a.
Criterion-referenced
Question 18
1 out of 1 points
A standardized test is characterized by all of the following EXCEPT
Selected Answer: b.
Response sets.
Question 19
1 out of 1 points
A standardized achievement test is likely to differ from an informal achievement test on the
Selected Answer: d.
All of the above.
Question 20
0 out of 1 points
Standardized aptitude tests are used to
Selected Answer: d. C. A.
Pinpoint strengths and weaknesses in specific content areas.
Question 21
1 out of 1 points
If a subject was influenced by social desirability in his response to questions, what type of instrument would be most affected?
Selected Answer: b.
Self-report questionnaire
Question 22
1 out of 1 points
It is important to examine the operational definition of a non-cognitive trait because
Selected Answer: d.
How it is measured may differ from how it is labeled.
Question 23
1 out of 1 points
A response in which subjects check a point on a continuum between two adjectives is called a
Selected Answer: c.
A semantic differential scale.
Question 24
1 out of 1 points
Which of the following is an example of faking?
Selected Answer: c.
Subjects give responses that will please or assist the researcher.
Question 25
1 out of 1 points
An advantage of observation as a type of data collection method is
Selected Answer: d.
All of the above.
Question 26
1 out of 1 points
High-inference observations require the observer to
Selected Answer: b.
Interpret the observations.
Question 27
0 out of 1 points
A sixth-grade teacher was required to complete a rating scale for one of the students in her class. The student was performing poorly in all academic subjects, so the teacher rated her as low in intelligence, perseverance, honesty, friendliness, and other aspects of personality. The results may be inaccurate due to
Selected Answer: b.
Halo effect.
Question 28
1 out of 1 points
One weakness of using interviews rather than a self-report questionnaire is that
Selected Answer: c.
Subject's responses are not anonymous.
Question 29
1 out of 1 points
According to the author, the most common type of interview question in educational research is
Selected Answer: b.
Semi-structured.
Question 30
1 out of 1 points
the most efficient way to increase the reliability of responses to interview questions is to
Selected Answer: a.
Ask the interviewee to repeat responses or clarify ambiguous comments or statements [Show Less]