Unit 2: Measurement & Evaluation of Human Performance
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What characteristics must fitness tests have in order to measure fitness? (4)
• specific • accurate • reliable • valid
Specific
use appropriate muscle groups, relevant range of movement and suitable speed
Accurate
equipment works and makes exact measurement free from mistakes
Reliable
produces same result from trial to trial
Valid
measure what it claims to and appropriate for aim of experiment
What should be used to display how one variable affects another in a fitness test? (5)
• control group • placebo • double blinding • randomization • statistical analysis
Control Group
group that does not receive treatment and is used as a benchmark to measure how the other tested subjects do
What is an example of a control group?
one group does not get caffeine pill, other does
Placebo
harmless pill, medicine, or procedure used to avoid the study participants from knowing what group they belong to
What is an example of placebo?
a person will unknowingly get a pill that does not contain caffeine
What are the ways an experiment can be blinded? (2)
• blind • double blinding
Blind
participants don’t know what group they are in
Double Blind
participants and scientist don’t know the group
Randomized
individuals are randomly assigned to each group to avoid bias in results
Statistical Analysis
mathematics is used to analyze data and draw conclusions so that results are valid
PAR-Q
survey that gives coaches and doctors ability to determine whether subjects are prepared for demanding physical activity
What are the types of fitness tests? (4)
• field tests • lab test • miximal tests • sub-maximal tests
Field Test
realistic scenarios/simulates game conditions
Lab Test
more control and can utilize more technology
Maximal Test
gage maximal exertion/ accurate indicator of fitness, uncomfortable and unsafe for some
Sub-maximal test
predicts maximal exertion without effort and stress in less time with quicker recovery
physical fitness
ability to preform a specific activity
health-related physical fitness
ability to meet physical and physiological demands of daily living without excessive fatigue
performance-related physical fitness (skill related)
ability to perform in a specific sport