Cns Ed 6050

Front 1

A ______________ lists each score in the data set along with the amount of times this score occurred. Similarly, a ______________ uses a grouped bar graph to demonstrate the frequency of occurrence of each group of scores.

Back 1

frequency distribution & histogram

Front 2

The ______ of a data set is simply the arithmetic average whereas the ____________ is the precise midpoint of the data set.

Back 2

mean & median

Front 3

The distance between the highest and lowest score in a data set is the ____________.

Back 3

Range

Front 4

The ____________ is the metric typically used to assess the amount of variance or range from the mean in a data set.

Back 4

standard deviation

Front 5

A _____________ distribution is a symmetrical distribution where most of the data is in the middle or near the average with less frequency of occurrence the farther away from the mean.

Back 5

bell curve

Front 6

___________ act of assigning a set of #'s or symbols to characteristics of things.

Back 6

measurement

Front 7

___________ is the set of #'s or symbols whose properties model other objects to which #'s are assigned.

Back 7

scale

Front 8

Factors other than what the test seeks to measure are known as _________.

Back 8

error

Front 9

__________ refers to the absence of symmetry in a data set, where as __________ refers to the steepness of a distribution at it's center.

Back 9

skewness & kurtosis

Front 10

____________ scores are used to compare an individual score to the population average.l

Back 10

standard

Front 11

All various standard scores are derived from ___ scores, which have a mean of ____ and a standard deviation of ____.

Back 11

z, 0, 1

Front 12

IQ tests typically use a deviation IQ , which has the mean of _____ and a sd of ____.

Back 12

100, 15

Front 13

A t-score of 70 is equal to a z-score of _____.

Back 13

2

Front 14

A deviation IQ score of 85 is equal to a z-score of _____.

Back 14

-1

Front 15

Correlation coefficients range from _____ to ______.

Back 15

-1 to 1

Front 16

_________ correlations are when two variables change in the same direction.

Back 16

positive

Front 17

The coefficient of determination assess ___________ among two variables.

Back 17

shared variance

Front 18

A______ is a long term or personality characteristics whereas a ______ is a more short term or situational variable.

Back 18

trait and state

Front 19

Factors other than what a test seeks to measure are known as __________.

Back 19

errors

Front 20

What kinds of tests have errors??

Back 20

All

Front 21

A _______ _________ test takes an individuals scores and compares it to a larger group of test takers.

Back 21

norm referenced.

Front 22

A ____ is a smaller amount of items or people from a larger __________.

Back 22

sample & population

Front 23

In a _________ ___________ each person has an equal chance of being selection.

Back 23

random selection

Front 24

In a _______, different subgroups are based on proportion to the population.

Back 24

stratified

Front 25

In a __________, participants are chosen based on convenience or proximity to the researcher..

Back 25

convenience

Front 26

A _______ is an informed, scientific concept constructed to describe or explain a behavior.

Back 26

construct

Front 27

___________ looks at the score and error. x=t+e It is the overall reliability of a test and overall error of the test and looks at the entire test.

Back 27

classical test theory

Front 28

________ is the proportion of total variance attributed to true variance.

Back 28

reliability

Front 29

In classical test theory, a test score consists of a _________ plus _________.

Back 29

true score & error

Front 30

A test with ______/_______ reliability contains minimal amounts of measurement error.

Back 30

high/strong

Front 31

If a researcher administers a test to the same group of participants at two different points in time, she is likely trying to assess ______________.

Back 31

test-retest

Front 32

Some commonly used tests, such as academic achievement tests, have a form A and form B. These tow different forms can be used with the same person at two different points in time, and minimize error from a practice test. These tow forms could also be used in a group to assess what form of reliability?

Back 32

parallel/alternative forms reliability

Front 33

____________ assesses consistency of answers across items within a test.

Back 33

internal consistency

Front 34

_______ _______ is the average of all possible split-half correlations of a test. It is also the _______ _______ method of internal consistency.

Back 34

Cronbachs alpha and most common

Front 35

_______ and _________ reliability is the degree of consistency between two or more raters.

Back 35

inter-rater or raterscore

Front 36

A correlation coefficient of ______ is generally considered the cut-off for a test's reliability to be considered acceptable.

Back 36

.7

Front 37

______ _____ _______ examines the relationship between responses to single items and probability of that answer to the entire test.

Back 37

item response theory

Front 38

The _____ _____ _______ measures the precision of a test score and is generally reported as a __________ ___________.

Back 38

standard error of measurement and confidence interval

Front 39

The ________ _________ _________ is used to compare two different standard scores for to be considered statistically significant.

Back 39

standard error of difference

Front 40

A standard deviation assesses _______________________________, whereas as a standard error of measurement assesses the _____________.

Back 40

average of variance from the mean and the range of a test score.

Front 41

The superficial appearance of a test represents _____ validity.

Back 41

face

Front 42

You and a group of colleagues are working to develop a new test. As part of this process you send out a list of potential test questions toa panel of experts to ask them to rate how essential each item is. you would use this information to calculate ___________.

Back 42

content validity ratio or CVR

Front 43

As part of the process of creating your new test, which assesses potential exercise addiction, you also ask test subjects to report average amount of daily exercise. you are attempting to establish ______ validity by doing so.

Back 43

concurrent

Front 44

The SAT is an example of a test that is often used to judge likelihood of success in college. What type of validity is used to help determine how well a test predicts future behavior or performance?

Back 44

Predictive validity

Front 45

________ validity is a judgment about how well a test assesses the variable it claims to measure.

Back 45

construct

Front 46

__________ pertains to how uniform a test measures a single concept.

Back 46

homogenous

Front 47

All reliable and valid tests should always be stable and yield similar scores, with the same participants, regardless of when they are administered.

Back 47

False

Front 48

I develop a new test of depression and have a group of participants take my new test as well as the beck depression inventory. I am likely trying to demonstrate ________ validity by administering both tests.

Back 48

convergent

Front 49

As part of the above process, I also administer a brief test of general intelligence and I expect that there will be NO relationship between intelligence and depression. I am likely trying to demonstrate __________ validity.

Back 49

discriminate

Front 50

________________ is a statistical procedure used to help identify what items correspond to larger scales of test.

Back 50

factor analysis

Front 51

As you develop your new test, you conduct analyses to ensure that demographic variables such as race, SES, do not correlate with overall levels of exercise addiction, as assessed by your test. you are likely doing this to demonstrate low levels of ________.

Back 51

bias

Front 52

_________ analyses are used to judge the usefulness of a test.

Back 52

utility

Front 53

criterion related validity and the two types

Back 53

concurrent and predictive