Variables that usually consist of whole number units or categories and are made up of chunks or units that are detached and distinct from one another.
Variables that sually fall along a continuum and allw for fractional amounts.
Usually questionnaires or interviews that measure how people report that they act, think or feel.
A measurement instrument used to assess individual differences in various content areas.
Measures taken by carefully observing and recording behavior.
A possible reaction by participants in which they act unnaturally because they know they are being observed.
Measures of bodily activity (such as pulse or blood pressure) that may be taken with a piece of equipment.
An indication of the consistency or stability of a measuring instrument.
A measure of the degree of relationship between two sets of scores. It can vary between -1.00 and +1.00
A direct relationship between two variables in which an increase in one is related to an increase in the other, and a decrease in one is related to a decrease in the other.
An inverse relationship between two variables in which an increase in one variable is related to a decrease in the other and vice versa.
A reliability coefficient determined by assessing the degree of relationship between scores on the same test administered on two different occassions.
A reliability coefficient determined by assessing th degree of relationship between scores on two equivalent tests.
A reliability coefficient determined by correlating scoes on one half of a measure with scoes on teh other half of the measure.
A reliability coefficient that assesses the agreement of observations made by to or more raters or judges.
A measure of the truthfulness of a measuring nstrument. It indicates measures what it claims to measure.
The extent to which a measuring instrument covers a representative sample of the domain of behaviors to be measured.
The extent to which a measuring instrument appears valid on its surface.
The wxtent to which a measuring instrument acurately predicts a behavior or ability in a given area.
The degree to which a measuring instrument accurately measures a theoretical construct or trait taht it is designed to measure.
A definition of a variable in terms of the activities a researcher used to measure or manipulate it is an ___.
___ is a property of measurement in which the ordering of numbers reflects the ordering of the variable.
A(n) ___ scale is a scale in which objects or individuals are broken into categories that have no numerical properties.
A(n) ___ scale is a scale in which the units of measurement between the numbers on the scale are all equal in size.
Questionnaires or interviews that measure how people report that they act, think or feel are ___.
___ occurs when participants act unnaturally because they know they are being observed.
When reliability is assessed by determining the degree of relationship between scores on the same test, administered on two different occasions, __ is being used.
___ produces a reliability coefficient that assesses the agreement of obervations made by two or more raters or judges.
____ assesses the extent to which a measuring instrument covers a representative sample of the domain of behaviors to be measured.
The degree to which a measuring instrument accurately measure a theoretic construct or trait that it is designed to measure is assessed by __.
Gender is to the __ property of measurement and time is to the ___ property of measurement.
identity; absolute zero
Arranging a group of individuals from heaviest to lightest represents the ___ property of measurement.
The letter grade on a test is to the __ scale of measurement and height is to the ___ scale of measurement.
Weight is to the __ scale of measurement and political affiliation is to the ___ scale of measurement.
Measuring in whole units is to __ and measuring in whole units and/or fractional amounts is to ___.
discrete variable; continuous variable
An individual's potential to do something is to ___ and an individual's competence in an area si to ___.
aptitude tests; achievement tests
Sue decided to have subjects in her study of the relationship between amount of time spent studying and grades keep a journal of how much time they spent studying each day. The type of measurement that Sue is employing is known as a(n):
Which of the following correlation coefficients represents the variables with the weakest degree of relationship?
Which of th following is true?
Alternate-forms reliability is determined by assessing the degree of relatioship between scores on two different, equivalent tests.
If observers disagree 20 times out of 80, then the interrater reliability is:
Which of the following is not a type of validity?
Which of the following is true?
Criterion validity is the extent to which a measuring instrument accurately predicts behavior or ability in a given area.