Lab 0
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Primary literature
original research
what does primary literature have
Methods and a results section
Secondary literature
does not present results or methods sections reviews or summarizes primary research
Tertiary literature
Aimed at general audience may not be peer reviewed
examples of tertiary literature
textbooks, lab manual, popular science magazines
grey literature
not peer reviewed
examples grey literature
industry websites, industry/ government reports
in order to avoid plagiarism you must
cite and paraphrase
what are some measures of central tendency
Mean median mode
what are some measures of spread
Range ] st.dv variance
sample vs pop
population is entire represented group sample is subset of population used to describe entire pop
shape of normal distribution
bell curve
what do confidence intervals depend on?
size and variability
values outside the confidence interval
are less plausible for the true population mean
what is used to calculate confidence intervals
Standard error of the mean
if p<alpha 0.05
results statistically significant
if p> alpha 0.05
results not statistically significant
measurement data
continuous data doesnt have to be whole numbers includes means/ averages
count/ emumeration data
discrete data can only be whole numbers
what are the three objectives of scientific writing
-clearly describes the procedures following the results -place results in context by relating them to existing knowledge -interpret their significance
every scientific communication should explain
-what was discovered -how it was discovered -why it matters
the introduction starts
broad