Research instrument Flashcards

1
Q

the degree to which an intrument measures what it is intended or supposed to measure

A

Validity

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2
Q

5 types of validity

A

Face Validity
Content Validity
Construct Validity
Concurrent Validity
Predictive Validity

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3
Q

-when an instrument “appears” to measure the variables being studied
-subjective process
-does not ensure actual validity

A

Face validity

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4
Q

-degree to which an instrument covers a representative sample or element of the variable to be measured
-subjective process
-list of specidications/parts/elements
-the list is provided by experts in the fiels

A

Content Validity

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5
Q

-degree to which an instrument measures the variables being studied as a whole
-detection of the theoretical aspects or intangible abstract variables such as personality, intelligence, and mood

A

Construct validity

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6
Q

degree to which an instrument predicts the characteristics of the variable in a certain way throughtl correlation

A

Criterion validity

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7
Q

predicts results similar to those of a test already validated in the past

A

Concurrent validity

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8
Q

produces similar results to those of another instrument that will be employed in the future

A

Predictive Validity

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9
Q

the consistency of the measures of the instrument

A

Reliability

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10
Q

4 types of reliability

A

Test-retest reliability
Equivalent forms reliability
Internal Consistency reliability
Inter-rater reliability

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11
Q

-administering an instrument twice to the same grouo of participants and then computing the consistency of the scores
-the retest must be done after a short period of time to record higher correlatin

A

Test-Retest Reliability

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12
Q

-administering two tests identical in all aspects except the actual wording of the items
-the same coverage, difficulty level, test type, and format

A

Equivalent Forms Reliability

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13
Q

measures of how well the items in two instruments measure the same construct

A

Internal Consistency Reliability

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14
Q

The items are divided into two parts

A

Split-half

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15
Q

reliability with respect to each item

A

Cronbach’s alpha

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16
Q

dichotomous responses in the instrument

A

Kuder-Richardson formula

17
Q

consistency of scores assigned by two or more raters (Kappa coefficient)

A

Inter-rater Reliability