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Posted by ade sarroff | Filed under definition, diagrams to memorise, summary
31 Sunday Aug 2014
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Posted by ade sarroff | Filed under definition, diagrams to memorise, summary
27 Wednesday Aug 2014
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Accuracy question 2008, question 18.
Variables question 2009, 24
ACCURACY
Improve this chart Accuracy
Definition: The degree of closeness to true value.
Measurements: Single neede
VALIDITY
Validity simply means whether the scientific procedure has been followed, one independent variable, one dependence not variable, controlled variables, use control.
RELIABILITY
Reliability: how consistent the results are. When you repeat an experiment and get the same results, it is reliable.
Reliability is I proved by repetition, larger sample size.
DARTS ANOLOGY
Accurate but unreliable: hits the bulls eye first 5 times and then fails the next 5 attempts alternatively
Accurate & reliable: hits the bulls eye consistently 10/10 times
Inaccurate & reliable: consistently hits the 1s 10/10 times
Inaccurate & unreliable: hits all the low scores (1,2,3,4,5,6…) without every hitting the same target again
26 Thursday Sep 2013
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25 Wednesday Sep 2013
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The genome is the set of all genes,
regulatory sequences,
and other information contained within the noncoding regions of an organism’s DNA.
Thus, genomics is genetics writ large, the culmination of rapidly accumulating information about vast numbers of genes and DNA sequences from scores of organisms.