When analyzing data from experiments that involve more than two groups _________.
a. doing t tests on all possible pairs of means decreases the probability of making Type I errors
b. doing t tests on all possible pairs of means increases the probability of making Type I errors
c. it is generally permissible to do t tests between all possible pairs of means and use Student's t distribution
d. doing t tests on all possible pairs of means increases the probability of making Type II errors
Question 2
A major limitation of a two group design is that _________.
a. we can't run enough subjects
b. very often, two groups are insufficient for a clear interpretation
c. the population parameters may not be applicable
d. the means between groups may not differ
Parasite removal experiments.
Foliage height diversity and bird species diversity (data from MacArthur and MacArthur 1961).
Energy budget for a temperate deciduous forest (data from Gosz et al. 1978).
Functional groups
Carbonyl groups reaction type
Evolutionary tree for the living amniote groups