Finals Part 2 - Evaluating Operational Definitions Flashcards

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1
Q

The same variables can have many definitions, how can we know which definition is best?

A

Concepts of Reliability and Validity

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2
Q

Reliability means…

A

Consistency and Dependability

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3
Q

If we apply variable in more than one experiment, they ought to work in similar ways each time.

A

Reliability

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4
Q

If possible, we select _________________ in measuring dependent variable because it is shown to be reliable.

A

Standardized test

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5
Q

Types of Reliability

A

Inter-rater reliability
Test-retest reliability
Inter-item reliability

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6
Q

The degree of agreement or consistency between 2 or more scorers regarding a measure

A

Inter-rater reliability

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7
Q

Also known as inter observer, inter coder, inter scorers

A

Inter-rater reliability

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8
Q

Reliability of measure by comparing scores of people who have been measured twice with the same instrument.

A

Test-retest reliability

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9
Q

Also known as time sampling reliability

A

Test-retest reliability

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10
Q

Different parts of a questionnaire, test, or other instruments designed to assess the same variable attain consistent results.

A

Inter-item reliability

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11
Q

Inter-item reliability can be assessed by:

A

Split half method
Cronbach’s Alpha

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12
Q

Principle of actually studying the variables intended to be manipulated or measured

A

Validity

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13
Q

The degree to which a manipulation or measurement technique is self evident

A

Face validity

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14
Q

Describes a judgement of how adequately a test samples representatives of the universe of behavior that the test was designed to sample.

A

Content Validity

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15
Q

Index of the degree to which a test scores predict some criterion measure

A

Predictive Validity

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16
Q

Index of the degree to which a test score is related to some criterion measure obtained at the same time.

A

Concurrent Validity

17
Q

Answers the question: Does the content of our measure fairly reflect the content of the quality are measuring?

A

Content Validity

18
Q

Answers the question: Do our procedure yield information that enables us to predict future behavior or performance?

A

Predictive validity

19
Q

Evaluated by comparing scores on the measuring instrument with another known standard for the variable being studied.

A

Concurrent Validity

20
Q

Established through a series in which a researcher simultaneously define some construct and develops the instrumentation to measure it.

A

Construct Validity

21
Q

Deals with the transition from theory to research application

A

Construct Validity

22
Q

Two types of Construct Validity

A

Convergent Validity
Divergent (Discriminant) Validity

23
Q

Newly developed test will be correlated with a related construct

A

Convergent Validity

24
Q

Newly developed test will be correlated with an unrelated construct

A

Divergent or Discriminant Validity

25
Q

The degree to which we can confidently infer a causal relationship between the variables

A

Internal Validity

26
Q

Variable other than the IV and DV. Not the focus of an experiment but can produce effects on the DV if not controlled

A

Extraneous Variable