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IB SEHS Unit 6 Exam/52 Complete Questions and answers
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IB SEHS Unit 6 Exam/52 CompleteQuestions and answers
error bars - -Graphical representation of the variability of data
-mean - -average
-standard deviation - -a measure of variability that describes an average
distance of every score from the mean
-normal distribution - -A function that represents the distribution of
variables as a symmetrical bell-shaped graph.
-Small standard deviation means - -Data is clustered tightly around mean
-Less score variety
-More reliable/accurate than large standard deviation
-large standard deviation means - -Data is more spread out and further
away from mean (wider spread)
-More score variety
-Less reliable than a small standard deviation
-coefficient of variation - -A measure of relative variability computed by
dividing the standard deviation by the mean and multiplying by 100.
-Specificity - -Making sure aspects of the study are connected to the activity
Choosing appropriate warm-ups and tasks for our measurements
-Accuracy - -Using equipment which will provide us with accurate
information
Must make sure equipment is working properly
-Reliability - -Must consider other aspects and individual differences which
could alter results
-Validity - -Need to repeat experiment multiple times in order to improve
validity
More results can allow more reliable and accurate statistics for evaluation
-importance of study design in the context of the sports, exercise and health
sciences - -Causality in experimental results by the inclusion of:
control in groups
randomization
placebos
, blinding and double-blinding
statistical analysis
-Importance of PAR-Q - -Assesses the readiness for an individual to partake
in a general training program
-Laboratory Tests advantages - -Controlled environment
Stimulate sport's demands
Sport specific equipment
-Laboratory tests disadvantages - -Not in sport environment
Not always accessible
Limited value assessing team sports
-Field Test Advantages - -Specific to sports
Conducted in sports environment
-Field Test disadvantages - -less controllable environmental variables
less convenient for researcher, more planning
-Submaximal Tests - -Athlete works below maximum effort and data is
extrapolated to estimate maximum capacity (eg. Step test)
-Submaximal Tests advantages - -Prevents injuries
-Submaximal Tests disadvantages - -Relies on extrapolation
Small measurement inaccuracy can lead to large errors
-maximal test - -a test where the participant performs at their maximal
level
-maximal test advantages - -directly assesses important physiological
maxes
maxes are best indicators of health
-maximal test disadvantages - -difficult to ensure max effort (depends on
motivation)
inappropriate for children, old, injured, unhealthy b/c more easily injured or
overexerted
-health-related fitness - -fitness qualities that are necessary to maintain and
promote a healthy body
body composition ( Body fat%)
cardiorespiratory fitness (aerobic capacity)
flexibility (range of movement possible at a joint)
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