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IB SEHS Topic 6 Exam – 63 Question with Answers
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IB SEHS Topic 6 Exam – 63Question with Answers
Standard Deviation - -a spread of scores around the mean
-State why standard deviation is useful - -Displays the consistency of each
sample
-t-test - -used to determine if two sets of data are significantly different
from each other.
-Error bars - -graphical representation of variability of the data
-What constant do we use for error bars? - -2
-Specificity - -Measuring the skills needed for a sport can see how well the
athlete can maintain that skill when repeatedly doing it.
-Accuracy - -Checking if the instruments you're using in an experiment are
working properly
-Reliability - -if you repeated the test again are you likely to get similar
results
-Validity - -Does the test actually test what is tests
-Control group - -a bunch of people are put into a group that doesn't get
any special treatment for the experiment.
-Why is it important to have an control group? - -To see if your hypothesis
correlates with the data collected and overcoming learning problems
-Randomized groups - -People of various skill levels are put in different
groups by random. This is to ensure that we don't favor one group over
another.
-Blind experiment - -Participants in the experiment don't know which group
they are in. If the participants know what they are getting, it will defeat the
purpose of the experiment
-Double blind experiment - -both the participants and the experimenters
are unaware of who is in the experimental or control groups. This is to make
sure that neither party influences the results.
, -Placebo - -A harmless substance given to the participants in the controlled
group. The substance won't affect the person's performance during the
experiment.
-PAR-Q - -a questionnaire that makes sure the participant doesn't have any
health issues that will put them in danger in the experiment
-Field testing - -tests that can be done without expensive equipment.
-Laboratory testing - -experiments that are done in a lab. More accurate
than field testing
-Maximal - -testing for a person's maximum ability. Used for people who are
physically fit
-Sub-maximal - -For people who are afraid or aren't knowledgeable of
pushing their limits. Good for children and the elderly
-Body composition - -The relation of fat mass to fat free mass (bones,
muscles etc)
-Cardiovascular fitness - -ability to take in, deliver and use oxygen for use of
a aerobic activity
-Flexibility - -ability to move through a full range of movement around a
joint
-Muscular strength - -ability to generate force using muscle(s)
-Muscular endurance - -ability of a muscle(s) to maintain force or power
-Way to remember health related fitnesses - -Charlie's Mom Said Fantastic
Boots
-Agility - -The ability to change direction at speed with control
-Balance - -stability of body
-Coordination - -the ability to use different parts of the body together
smoothly and efficiently
-Reaction time - -duration between presentation of a stimulus and
associated response
-Speed - -change of distance with respect to time when movement occurs
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