Order ID | 53563633773 |
Type | Essay |
Writer Level | Masters |
Style | APA |
Sources/References | 4 |
Perfect Number of Pages to Order | 5-10 Pages |
EDUC 593 Definition Of A Percentile
1.On the line to the left of each assessment definition listed in Column A, write the letter of the
corresponding assessment term in Column B. Each term in Column B may be used once, more than
once, or not at all.
Column A
Assessments used to determine
___ special needs
Assessments used to assess
Column B
Criterion-Referenced Assessments
Diagnostic Assessments
Formative Assessments
___ progress during a class
Assessments that use
___ measurements are called:
Individual assessment results are
___ compared to a group
Assessments that are conducted
___ without using measurements are called:
Norm Referenced Assessments
Placement Assessments
Qualitative Assessments
Quantitative Assessments
Summative Assessments
2.What is the definition of a percentile?
__________________________________________
__________________________________________
3.For each of the following descriptions, please indicate which type of assessment is represented by
circling the appropriate letter using the following key. [6 points]
KEY: P = Placement F = Formative
D = Diagnostic S = Summative
P F D S An exam given to determine students’ writing competency level as a requirement
for graduation.
P F D S A quiz designed to chart progress in this educational assessment course.
P F D S Johnnie might have a bad cold. His mother takes him in to the doctor for an
examination to determine what is wrong with him.
P F D S A mathematics competency test required of all students before registration in
college calculus.
P F D S A state-wide high school exit examination.
P F D S An examination conducted to determine whether or not hearing loss could be a
factor in a student’s speech difficulties.
4. Please indicate whether each of the following statements represents a criterionreferenced (C)
interpretation or a norm-referenced (N) interpretation by circling the appropriate letter.
C N Jenny can name every continent.
C N Henry is the fastest runner in his class.
C N Becky received an 83% on the final exam.
C N Frank received the 11 th highest score on the geography test.
C N Kate scored in the 87 th percentile on the SAT 10 examination.
C N Don can speak seven different languages.
5. On the line to the left of each validity statement listed in Column A, write the letter of
the corresponding validity term in Column B. Each term in Column B may be used
once, more than once, or not at all.
_______
Column A
Observable items are used to assess
unmeasurable ____psychological concerns
How accurately does the assessment address
what we’re ____seeking to know?
How accurately does the assessment predict
future ____behavior?
Column B
Predictive Validity
Construct Validity
Content Validity
Concurrent Validity
6.For the next set of statements indicate if each is true or false by circling either true or false.
True False Correlations determine causation.
True False Correlations make predictions.
True False Increasing the number of assessment tasks increases
reliability.
True False Using appropriate grammar and vocabulary increases
assessment validity.
7.Inter-rater reliability assesses test quality by measuring the influence of which of the following
human factors? (Please circle the letter associated with the correct answer.)
Subjectivity
Intelligence
Responsibility
8.Standard Error of Measurement is a measure of: (Please circle the best answer)
Validity
Reliability
Usability
9.Please list three of the five issues that should be considered when evaluating the usability of a
test?
a.
b.
c.
10.Please complete the following table by determining percents and percentiles based upon the
examination scores provided.
FREQUENCY DISTRIBUTION OF SCORES
ON AN EDUCATIONAL ASSESSMENT TEST
Score f Percent Percentile
97-100 3
93-96 5
89-92 6
85-88 8
81-84 8
77-80 7
73-76 5
69-72 3
65-68 2
61-64 2
57-60 0
53-56 1
N=
Sally earned an 82 on the exam. What is her percentile on this test?
11.Using a mean of 75 and a Standard Deviation of 10, please identify the following [4 points]
SD = 2 – SD = 1
– SD 2 – SD 1 SD 0 1 SD 2 SD
12.the curve below, identify the 2 nd stanine and the 7 th stanine by shading in the appropriate regions
and labeling them.
– 2 SD – 1 SD 0 SD 1 SD 2 SD
13.Place the LETTERS that represent the following scores on the normal curve at the appropriate
points:
a. Special Needs f. Median
b. 16 th percentile g IQ score of 130
c. CEEB Score of 400 h. T score of 55
b. Z-score of -1 i. 5 out of 10 correct
on quiz
c. third quartile j. mode
–
– SD 2 – SD 1 SD 0 SD 1 2 SD
14.Draw a positively skewed curve and show the mean.
Which measure of central tendency would give you the most consistently accurate representation of
average?
15.Please indicate which of the following 100 point sub-tests is more reliable using the following
reliability information.
Sample Score Report
Test Score Std.
Error
Confidence Band
15 20 25 30 35 40 45 50 55
60
65 70 75 80 85 90
Math 30 +/-10
Reading 50 +/-5
Math Sub-test
Reading Sub-test
16.Using the following chart, indicate whether or not there is a statistically significant difference in
performance between these two students. (Please circle the correct answer.)
Sample Score Report
Student Score Percent-
ile Rank
Percentile
Range
15 20 25 30 35 40 45 50
55
60
65 70 75 80 85 90
Johnny 665 65
Wendy 625 58
Standard Error of Measurement = +/- 5 percentile
Significant Difference
No Significant Difference
17.Two Reviewers corrected an essay question using a 5-point scale (5-being best) (Their results are
distributed as follows. Find Percent Exact Agreement and percent 1-off.
Scores Assigned by Rater 2
Score 1 2 3 4 5 Row Total
5 0 1 2 4 9 16
4 0 2 6 14 3 25
3 1 5 12 4 4 26
2 4 11 7 5 1 28
1 10 5 1 2 0 18
Column Total 15 24 28 29 17 113
Percent Exact Agreement =
Percent 1 Off =
18.In the spaces below, please identify the approximate strength and direction of the correlations
graphically displayed by the following scattergrams.
Low High Low High
a. b.
19.Please identify the approximate strength and direction of each of the following correlation
coefficients. (Ex. r = 0.95 is a Strong Positive Correlation)
r = -0.45 a.
r = -0.80 b.
r = -0.25 c.
r = 0.1 d.
20.Please find the Coefficient of Determination for each of the following correlation coefficients.
a. r = 0.8 R 2 = __________
b. r = – 0.5 R 2 = __________
21.Find the following information for the following set of scores.
8, 9, 6, 4, 8, 10, 9, 8, 7, 8, 5
Mean = _
Median = _
Mode = ___
Range = __
Standard Deviation = _
Z-score for 9 = _
Please identify the appropriate type of data used in the following:
22.Students list the items in their backpacks.
Nominal
Ordinal
Interval
23.Students are asked to list their ten favorite movies in order beginning with their most-liked.
Nominal
Ordinal
Interval
24.A teacher has prepared a 100-point written test to assess social science achievement.
Nominal
Ordinal
Interval
25.Please identify the five components of a research study.
a.
b.
c.
d.
e.
Please indicate which term best describes research being conducted in the following two scenarios:
26.A researcher conducts an in-depth study into the socialization difficulties 6 Afghani women
experience in the months immediately following their immigration from Afghanistan to the United
States.
Quantitative
Qualitative
27.A principal studies student satisfaction with playground equipment using a brief questionnaire
with a 5-point Likert scale.
Quantitative
Qualitative
28.Please identify the three types of measurement that are used in educational research.
i. ___________________________________________________
ii. ___________________________________________________
iii. ___________________________________________________
29.Which of the following procedures would provide the most appropriate method for studying the
correlation between intelligence and achievement? Administering an achievement test and an
intelligence test to one sample of students.
Administering an achievement test to one sample of students and an intelligence test to another
sample of students.
Administering an achievement test to a sample of students, all of whom have an intelligence of at
least 100 on an IQ scale.
Administering an achievement test to two samples of students and an intelligence test to two
different samples of students.
30.Which of the following would be the most accurate way to assess what effect a new 3 rd grade
mathematics curriculum has on achievement?
Implement the new curriculum during the school year and ask teachers to make observations on
student success.
Implement the curriculum during the school year, then have the students complete a questionnaire
addressing their perceptions of the curriculum’s effectiveness.
Implement the new curriculum into a sample class during the school year, then compare pre-test
and post-test scores for sample group and a control group.
Interview principals to find out if other schools have had success with the new curriculum.
Please indicate whether each of the following statements is True or False by circling the appropriate
answer.
31. True False “The findings of this study will indicate that there is no relationship
between teacher eye contact and student motivation” is an example of a
good null hypothesis.
32. True False “The findings of this study will indicate that there is a significant
difference between teacher eye contact and student motivation” is an
example of a good research hypothesis.
33. True False A good operational definition doesn’t need to be reasonable as long as it
is measurable.
34. True False It is more important to control external validity than internal validity.
Please identify the appropriate type of research in the following:
35.A researcher wants to know whether or not teacher experience has a positive effect on student
achievement. She identifies a district with 20 third grade classes who would be willing to participate
in the study. She compares teacher experience in each class with CAT/6 test scores and finds a weak
positive relationship between teacher experience and student achievement. This is an example of:
Ex Post Facto
Correlational
Quasi-Experimental
Developmental
36.A principal removes all candy from his junior high school. He then makes observations to
determine whether or not it decreases the number of playground fights during afternoon recess.
This is an example of:
True Experimental
Case Study
Action
Developmental
37.A business professor does research to find out demographic information about the incoming
freshmen class. This is an example of:
Descriptive
Ex Post Facto
Historical
Quasi-Experimental
38.A P.E. teacher selects two groups of high school soccer players, the first 10 who arrive at practice
are in one group and the second 10 arriving comprise the other group. She has one group
participate in a week-long camp and the other group does not. She then measures each player’s
juggling, dribbling, passing, and shooting abilities. She compares their scores to see if the camp
significantly improves skills. This is an example of:
Correlational
Ex Post Facto
Quasi-Experimental
True-Experimental
Please identify the best source of information for each of the following scenarios:
39.Members of a city council want to remodel a park in their city. They commission research to
determine if the deer that live in the park use a reflecting pool as a regular source of water. The
deer won’t come around when the researcher is present, so he decides to monitor hoof prints
around the pool’s edge. This source of information would be considered:
Tests
Observations
Unobtrusive Measures
Archival Data
40.A principal wants to study student perceptions about a proposed school dress code and he wants
to give all 800 students a chance to express their views. Unfortunately, he has limited time to gather
data before he will be forced to make his decision about its implementation. The best source of
information in this case would be:
Interviews
Tests
Questionnaires
Archival Data
41.A superintendent has a school board meeting later in the day, and he will be proposing a new
building project. Before making his pitch, he wants to research school board decisions made in the
past ten years regarding proposed building projects. His best source of information would be:
Unobtrusive Measures
Archival Data
Questionnaires
Observations
Please identify the variables for each of the following scenarios:
Is there a significant difference between genders in their time spent watching television?
42.Please identify the independent variables, if any?
43.Please identify the dependent variables, if any?
What is the relationship between feelings of depression and hours spent participating in outdoor
activities?
44.Please identify the independent variables, if any?
45.Please identify the dependent variables, if any?
Is there a significant difference in people’s feelings of depression based upon the number of rainy
days they experience?
46.Please identify the independent variables, if any?
47.Please identify the dependent variables, if any?
Please identify the appropriate type of sampling in each of the following questions.
48.A P.E. teacher divides her class into two teams by choosing names from a hat. This is an example
of:
Simple Random Sampling
Stratified Proportional Random Sampling
Systematic Random Sampling
Purposive Sampling Sampling
49.Jay Leno conducts man on the street interviews. This is an example of:
Simple Random Sampling
Non-Probability Sampling
Cluster Sampling
Systematic Random Sampling
50.Gallup polls registered voters by selecting every 10,000 th name on a current voter registration list.
This is an example of:
Non-probability Sampling
Purposive Sampling
Stratified Equal Size Random Sampling
Systematic Random Sampling
51.A researcher decides to conduct a study that requires her to sample golfers. To accomplish this,
she spends a full day at Oak Valley Golf Club and interviews as many golfers as possible. This is an
example of:
Simple Random Sampling
Expert Sampling
Cluster Sampling
Stratified Proportional Random Sampling
Please identify 3 threats to internal validity in the following scenario.
XYZ Travel Company offers complete travel packages to beach resorts on the big island of Hawaii.
They decided to learn which resort their customers like best. They sent a lengthy questionnaire to
one-third of the patrons (those who followed up with XYZ since their vacation) who traveled with
them between January 1, 2017 and October 31, 2018. As you will remember, the island began
experienced a dramatic increase in volcanic activity on its Southeast side in 2018. The instructions
requested they fill it out and mail it back ASAP.
49. Explain:
50. Explain:
51. Explain:
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