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Kinesiology > Exam #1 > Flashcards

Exam #1 Flashcards

1
Q

What is a Test?

A

A tool or instrument used to make a particular measurement

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2
Q

What is a Measurement?

A

Act of using a test to collect data

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3
Q

What is an Evaluation?

A

Is a statement of quality, goodness, value, and worthiness about what is being assessed

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4
Q

What are the differences between a test, measurement and evaluation?

A

Test - a tool used to measure something
Measurement - data collected from a test
Evaluation - interpreting data from measurement

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5
Q

What are some general purposes of using evaluation?

A

we can use evaluation to have a reference perspective as well as comparing measured data to norm or criterion reference standards

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6
Q

What are some general purposes of using measurement?

A

we can use measurement to quantify data as well as creating standards

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7
Q

What is norm reference evaluation? (relative standard)

A

comparing a performance to that of others in a particular group

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8
Q

What is a criterion-reference evaluation? (absolute standard)

A

comparing measured data to a criterion (predetermined level of performance)

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9
Q

What are some limitations of Normative Reference standards ? (relative standard)

A
  1. Not for health related evaluations
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10
Q

What are some limitations of Criterion reference standards? (absolute standard)

A
  1. the cutoff score involves some subjective judgement
  2. misclassification can be severe (ex: hypertension)
  3. a person exceeding the criterion may not be motivated to continue to improve
  4. same criterion may not be appropriate for other groups
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11
Q

Advantages of Criterion reference standards

A
  1. represent a specific, desired levels of performance
  2. independent of the proportion of population that meets the standard
  3. Sets a standard for people to achieve and exceed criterion
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12
Q

Advantages of Norm reference standards

A

good for observing a large specific population

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13
Q

What is a histogram? what is it used for? what does it look like?

A
  1. a histogram is a frequency of distributed values
  2. used for organizing data which involves using various scores
  3. it has scores(range) on the x-axis and the y-axis has the frequency
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14
Q

What is normal distribution?

A
  • bell shaped curve
  • no symmetry in distribution
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15
Q

What is negatively skewed?

A
  • tail and outlier are towards the negative end (to the right)
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16
Q

What is positively skewed?

A
  • tail and outlier are towards the positive end (left side)
17
Q

What is skewness?

A

Shape or symmetry of frequency distribution

18
Q

What is Kurtosis?

A

Peakedness of a frequency distribution

19
Q

What is mesokurtic?

A

distribution with medium peak height; medium breadth

20
Q

What is playtokurtotic?

A

distribution with lower peak height; larger spread of data about the mean

21
Q

What is leptokurtotic?

A

distribution with higher peak height, lesser spread

22
Q

What is the Mean?

A
  • arithmetic average
  • most common measure of central tendency
  • located at or near the middle of the bell curve of a normal distribution
23
Q

What is the Mode

A
  • most common score
  • seldom used measure
24
Q

What is the Median?

A
  • middle scores; 50th percentile
  • if 2 scores are in the middle, average them
25
Q

How is the MEAN, MEDIAN and MODE present in Normal Distribution?

A

Mean, Median and Mode are in the middle portion on the curve

26
Q

How is the MEAN, MEDIAN, and MODE present in a Negatively Skewed Distribution?

A

Mean is closer to the tail (negative end)
Mode is the further away from tail (positive end)
Median is in the middle

27
Q

How is the MEAN, MEDIAN, and MODE present in a Positively Skewed Distribution?

A

Mean is closer to the tail (positive end)
Mode is the furthest away from the tail (negative end)
Median is in the middle

28
Q

What are the measures of variability?

A
  1. Range
  2. Standard Deviation (SD)
29
Q

What is RANGE used for?

A
  • difference between the highest and lowest score
  • seldom used in Kinesiology
  • larger range = greater variability
30
Q

What is STANDARD DEVIATION used for?

A
  • how the data is spread around the mean value
  • higher SD = greater variability
  • lowest SD possible is 0; all numbers are the same
31
Q

What does it mean to be within 1 or 2 SD of the mean? What does this look like on a graph?

A
32
Q

What is a correlation coefficient?

A

a statistical measure that indicates; magnitude and direction of a relationship between variables

33
Q

What is a correlation?

A

a statistical association or relationship between variables

34
Q

What is the Pearson Correlation Coefficient (r)?

A
  • an index of magnitude and direction of LINEAR relationship between 2 variables (assuming both variables are normally distributed)
35
Q
A

Kinesiology (1 decks)

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