EXS 312
Q is the middle _______ percent of the scores about the _______.
50, median
The process of test administration, test interpretation, identification of performance problems, and prescription of how the problems may be corrected is referred to as _______.
Assessment.
Validity evidence is related to how well a test measures all skills and subject matter that have been presented to a group.
Content.
The midmost score in a series is the _________.
P50 and median.
More appropriately, validity refers more to the agreement between what the test measures and the ____ the test is designed to measure.
all of these.
The variability of a group of scores increases if the ________ of these scores _______.
all of these.
statistics
analysis of numerical data
If one-half of a group of test scores are above the mean of 76, which of the following statements is true?
The median is 76.5 (not correct answer).
The table of test specifications indicates all of the following except ______.
difficulty level of each question.
The steps in construction of a test include all of the following except ____.
difficulty.
Validity evidence is used when a tests purpose is to classify individuals as proficient or nonproficient in the criterion behavior.
domain-referenced. (wrong answer).
For many statistical procedures, the degrees of freedom for a set of scores is ____.
equal to N-1. (wrong answer)
A test has validity evidence when it appears to measure the desired skill.
face.
For a knowledge test, the highest possible score is 100. A score of 60 has a percentile rank of 40. What does this indicate?
forty percent of the students earned scores of at least 60. (wrong answer)
The coefficient of determination is equal to of the correlation coefficient.
the square.
grand ΣX
the sume of all scores in all groups
In a distribution of scores, the mean is 60 ad the standard deviation is 8. What is the correct T-score for the score of 48?
35.
The correlation coefficient can range from to...
+1, -1
Significant correlation coefficients lower than can be useful for indicating nonchance relationships among variables.
.50
The z-scale has a mean of _________ and a standard deviation of __________.
0, 1.
If the sum of the squared deviation scores for 100 test scores is 1000, the standard deviation is the square root of ______.
10
A T-score of 40 is equivalent to a percentile rank of _______.
16.
In a distribution of scores, the mean is 16.50 and the standard deviation is 0.25. What percent of the scores fall between the scores of 16.25 and 16.50?
34
In a distribution of scores, the mean is 55 and the standard deviation is 5. What is the correct T-score for the score of 70?
80.
A T-score of 60 is equivalent to a percentile rank of _______.
84.
In a distribution of scores, the mean is 10.5 and the standard deviation is 0.75. What percent of the cases lie between the scores of 9.0 and 12?
95
More than ________ percent of a distribution falls within the limits of plus and minus three standard deviations.
99.
The reliability of a norm-referenced test can be determined.
by administering an equivalent form of the test to the same group. (wrong answer).
Organizing students into groups of similar skills is an example of ________.
classification.
.05
common level of significance
Validity evidence is often used to estimate how well a test measures what it claims to measure.
concurrent.
validity evidence refers to the degree that the individual possesses a trait presumed to be reflected in the test performance.
construct.
Validity evidence indicates how well an individual performs a skill at the present time.
content (wrong answer).
coefficient of determination
correlation coefficient squared
Expert ratings, tournament play, and a previously validated test are _____, and are often used to estimate predictive or concurrent validity.
criterion measures.
_______ is used when individuals are expected to perform at a specific level of achievement.
criterion-referenced measurement.
The reliability of a(n) test is defined as how consistent the test classifies individuals as masters or nonmasters.
criterion-referenced.
Validity is related directly to predetermined behavioral objectives.
criterion-referenced.
Domain-referenced validity evidence may be referred to as validity evidence.
decision (wrong answer).
linear correlation
degree to which a straight line best represents relationship between two variables
N - 1
degrees of freedom
When every member of a group is measured and no attempt is made to generalize to a larger group, ______ are used to analyze the data.
descriptive statistics.
The most common reason for measurement and assessment is to _______.
determine achievement of program objectives and personal goals.
The best reason for using T-scores with a three-item basketball skills test is to _____.
determine each test takers percentile rank (wrong answer)
X - -X
deviation score
using measurement to assess the needs and strengths of a group or individuals is a form of _______.
diagnosis.
To find the _______, divide the number of test takers correctly answering each item by the total number taking the test.
difficulty index.
The treatment, or controled, variable in a study is called the ______ variable.
independent.
X
individual score
evaluation
interpretation
The Pearson product-moment correlation coefficient is used when measurement results are reported in scale scores.
interval and ratio.
negative coefficient
inverse relationship
The proportion of test takers who answer an item correctly is called ____.
item difficulty.
Discarding or rewording items in a test is a form of ____.
item revision.
Most test item analyses are concerned with all of the following except _____.
item type.
Reasons for measurement, evaluate, and assessment include all of the following except ______.
judgment.
-X
mean
The standard deviation is used in relation to the _______ of the distribution and Q is used in relation to the _________ of the distribution.
mean, median.
The ______ is distorted by extreme scores.
mean.
assessment
measure, evaluate, identify, prescribe
The interpretation of test scores is referred to as _______.
measurement.
P50
median
Q2 and the _______ are the same statistic.
median
A correlation coefficient of +0.85 is significant than (as) a correlation coefficient of -0.85.
more (wrong answer).
Administering a sports skill test to inform individuals of their ability in the sport so that they may improve their skills is a form of ______.
motivation.
______ is used when an individual's performance on a test is compared with other individual's performance on the same test.
norm-referenced measurement.
N
number of score in a population
null hypothesis
predicts there will be no statistical difference in means
measurement
quantitative
Measurement is usually thought of as _____.
quantitative.
Q
quartile deviation
A ______ scale has a true zero point.
ratio
Type I error
rejecting a true hypothesis
statistical significance
reliability of correlation coefficient
The choices of answers for each item in a multiple-choice test are called ______.
responses
In a normal distribution, the quartile deviation is _______ than the standard deviation.
smaller.
s
standard deviation for a group
σ
standard deviation for a population
standard error of the mean
standard deviation of a sampling distribution of means
The most reliable measure of variability is the _______.
standard deviation.
To determine which of two groups is more homogeneous you would compare the __________.
standard deviation.
The size different to be expected between two sample means, randomly drawn from the same population, is referred to as the ________.
standard error of the difference.
The _____ is the standard deviation of a sampling distribution of means.
standard error of the mean.
T-score
standard score
A(n) _______ is a value that refers to a sample.
statistic
correlation
statistical technique used to express relationship between two variables
_________ involves the collection, organization, and analysis of numerical data.
statistics.
The validity of a test may be affected by....
student characteristics, the criterion measure selected, and reliability.
Σ
sum of
r
symbol for product-moment correlation coefficient
To determine the statistical significance of a correlation coefficient, a (the) is (are) used.
table of values and degrees of freedom.
ANOVA for independent groups
tests for significant difference between three or/of more independent sample means
t test for independent groups
tests for significant difference between two independent sample means
In the group of scores, 6, 12, 13, 13, 16, and 18, it can be said of the mean, the median, and the mode that ______.
the mean, median, and mode are the same.
The reliability of a test may be affected by...
the method of scoring, the length of the test and the heterogeneity of the group.
In determining the quartile deviation, ________ are considered.
the middle 50% of the scores.
k
the number of groups
test
tool or instrument
rank difference correlation coefficient
used with 30 or fewer subjects
A _______ is a trait or characteristic that can assume more than one value.
variable.