In nonexperimental data the nonrandom assignment of treatment leads to what?
A. Mismeasured standard deviations
B. Loss of degrees of freedom
C. Selection Bias ? 0
D. Non-normal underlying population distribution
Answer: C
You might also like to view...
The phenotypic changes shown in the figure above represent
A. punctuated equilibrium.
B. horizontal gene transfer.
C. gradualism.
D. speciation based on sexual selection.
Much of the control of the digestive system originates in the neuron networks of the submucosa
Indicate whether the statement is true or false.
Endophytes that colonize leaves to feed on the dead tissue are examples of
A. decomposers. B. detritovores. C. producers. D. herbivores. E. carnivores.
The last place that pressure or sound waves pass
through in hearing is the a. middle ear. b. tympanic membrane. c. oval window. d. round window. e. tectorial membrane.