Wk 2 - Descriptive statistics

Question 1

Reliability is the…

Answer 1

repeatability of your measurement

Question 2

how well the measurement tool relates to “real world” performance is ______ validity

Answer 2

Ecological

Question 3

The extent to which a test actually

measures what it is supposed to measure is the _____ validity

Answer 3

Construct

Question 4

The relevance of a test as perceived by

an athlete, client or coach is the _____ validity

Answer 4

Face

Question 5

The components within a testing and
measurement batter that best relate to the ability
needed for a given task is the _____ validity

Answer 5

Content

Question 6

The relationship between a score on

a test and its criterion measure (or gold standard) is the ______ validity

Answer 6

Criterion

Question 7

What is a nominal scale?

Answer 7

Yes or no, male or female, often in two groups

Question 8

What is ordinal scale?

Answer 8

The categories you grouped the people (highest, fastest, RPE etc.)

Question 9

What is a continuous scale? (2)

Answer 9

Ratio: True zero
Interval: below zero

Question 10

Mean =

Answer 10

average

Question 11

Median =

Answer 11

middle score

Question 12

Mode =

Answer 12

greatest frequency

Question 13

Sigma =

Answer 13

sum of ….

Question 14

N =

Answer 14

number of cases

Question 15

M =

Answer 15

mean

Question 16

X =

Answer 16

an observed variable you might measure

Question 17

Range =

Answer 17

difference between smallest and largest value

Question 18

SD & variance =

Answer 18

measure of the variability of a set of results around a mean

Question 19

______ is the standardisation technique that tells you how many SD’s a score is from the mean

Answer 19

Z-score

Question 20

Z-score =

Answer 20

Athletes score - group mean score / SD of mean values