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Stats > Quiz on Lecture 1 and 2 > Flashcards

Quiz on Lecture 1 and 2 Flashcards

1
Q

Why do we take measurement

A

to establish a baseline
to examine
to evaluate

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2
Q

Which type of measurement validity is subjective?

  1. criterion-related
  2. construct
  3. content
  4. known groups method validity
A
  1. content validity
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3
Q

RKG testing the validity of a new electrogoniometer to measure angles. He takes the hands of a clock and sets it to 2:47. they then places the arms of the EG on the hands of the clock. He takes a standard goni and takes a measurement as he also turns on the EG to take a reading. He compares the two findings. what type of measurement validity is RKG trying to establish?

  1. face
  2. content
  3. concurrent
  4. factor analysis
A
  1. concurrent
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4
Q

Choose the type of reliability that is concerned with the stability and consistency of an instrument, overtime, when measuring a variable

  1. internal consistency
  2. intra-rater reliability
  3. test-retest
  4. inter-rater
A
  1. test retest
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5
Q

Which type of variable is best characterized as theoretically taking on values along a continuum and having an indefinitely large number of fractional values between any two values

  1. dichotomous
  2. discrete
  3. ordinal
  4. continuous
A
  1. continuous
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6
Q

what type of reliability establishes the reliability of 2 or more raters?

  1. split halves
  2. intra-rater
  3. inter-rater
  4. test retest
A
  1. inter-rater
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7
Q

A measurement tool used in a research study should have established reliability and validity. why?

  1. to demo cause and effect
  2. to ensure the greatest confidence in the inferences made from the test scores or measurement
  3. to demo specificity
  4. to minimize cost
A
  1. to ensure the greatest confidence in the inferences made from the test scores or measurement
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8
Q

Choose the type of reliability that is concerned with the stability and consistency of an instrument, over time, when measuring a variable

  1. internal consistency
  2. intra-rater reliability
  3. test-retest
  4. inter-rater
A
  1. test-retest
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9
Q

Choose the type of reliability that is concerned with the stability and consistency of an instrument, over time, when measuring a variable

  1. internal consistency
  2. intra-rater reliability
  3. test-retest
  4. inter-rater
A
  1. test-retest
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10
Q

What type of variable is ROM

  1. Discrete
  2. Construct
  3. Dichotomous
  4. Continuous
A
  1. Continuous
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11
Q

What level of measurement is used to measure ROM with a goni?

  1. nominal
  2. ratio
  3. interval
  4. ordinal
A
  1. ratio
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12
Q

Measurement was defined as the “process of assigning numerals to variables to represent quantities of characteristics according to certain rules.”

  1. symbol or label in form of a number
  2. property that can differentiate individuals
  3. represented by quantity or quality
  4. represents an attribute that has some value
A
  1. symbol or label in form of a number
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13
Q

Most measurements are from of an abstract or concept

T or F

A

True

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14
Q

We cannot directly observe most characteristics of a variable

T or F

A

True

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15
Q

We usually measure some part of the actual thing that we want to measure

T or F

A

True

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16
Q

Most behavioral variables are indirect measures of the characteristic we want

T or F

A

True

17
Q

Interval data can be divided

T or F

A

False

18
Q

Which type of research design is not necessarily interested in generalizing the study results to larger population

Quantitative or Qualitative

A

Qualitative

19
Q

One of the guiding principles of the protection of human rights is justice. What does that mean?

  1. actions/behaviors are intentional, understood and without influence
  2. Obligation to attend the well-being of individuals, do no harm
  3. Fair selection of subjects
A
  1. Fair selection of subjects
20
Q

One of the guiding principles of the protection of human rights is autonomy. What does that mean?

  1. actions/behaviors are intentional, understood and without influence
  2. Obligation to attend the well-being of individuals, do no harm
  3. Fair selection of subjects
A
  1. actions/behaviors are intentional, understood and without influence
21
Q

One of the guiding principles of the protection of human rights is beneficence. What does that mean?

  1. actions/behaviors are intentional, understood and without influence
  2. Obligation to attend the well-being of individuals, do no harm
  3. Fair selection of subjects
A
  1. Obligation to attend the well-being of individuals, do no harm
22
Q

which of the following delineated the 3 guiding principles for the protection of human rights?

  1. belmont report
  2. national research act
  3. declaration of helsinki
  4. nuremberg code
A
  1. belmont report
23
Q

What does IRB stand for

A

institutional review board

24
Q

Please identify each of the following as either an information element or a consent element

The PURPOSE of the research study

A

information element

25
Q

Please identify each of the following as either an information element or a consent element

VOLUNTARY participation

A

consent element

26
Q

Which two types of measurement validity are considered objective

  1. face and criterion-related
  2. construct and concurrent validity
  3. face and construct
  4. content and face validity
A

2.construct and concurrent validity

27
Q

Which type of validity is established when a new test is able to predict the score obtained by a test considered the criterion gold standard measure

  1. face validity
  2. criterion validity
  3. content validity
  4. construct validity
A

2.criterion validity

28
Q

The validity of an instrument exists only with respect to what

  1. the context in which it is tested
  2. experienced researchers
  3. the face validity of the instrument
  4. how often the instrument is used
A
  1. the face validity of the instrument
29
Q

What type of construct validity is established when 2 tests that measure the same thing produce similar results or hae high correlation

  1. known group methods
  2. convergence
  3. factor analysis
  4. Discrimination
A
  1. convergence
30
Q

knee flexion limited is an example of quantitative or qualitative

A

qualitative

31
Q

knee flexion is 90 degrees is an example of qualitative or quantitative

A

quantitative

32
Q

What should we communicated information in objective terms

A

little room for different interpretations

33
Q

3 principles of measurement

A

1) Describe phenomena

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