Exam 1 Word Scramble
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Term | Definition |
Three elements of experimental design | appropriate controls, replication, and randomization of replicates |
Appropriate control | the only factor that is changed is the factor of interest, side by side is ideal, at least 2 variances of the factor, and the same approach must be taken for each factor (ie altering bird eggs) |
Replication | limited by time and money, must be within the same experiment, at least 3 is ideal, replicates must be completely independent of one another so not to accidentally cause pseudoreplication |
Pseudoreplication | mistake of claiming things are replicates when they are not independent of one another |
Randomization | randomizing treatments, positioning, and timing of measurements |
Null Hypothesis | what is seen due to random chance, must have enough evidence to reject |
P-value | probability that the null hypothesis is true, the null hypothesis can be rejected if the value is less than or equal to .05 |
Linear regression | only used when a cause and effect relationship is suspected, line of best fit can be added |
Correlation | used when there is an interest in whether there is a linear relationship between two variables, does not purpose cause and effect, never use line of best fit |
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