In a randomized, controlled, double-blind study:
A) neither the experimenter nor the subject know whether the subject is in a control group or an experimental
group.
B) individuals will be assigned to an experimental or control group depending on whether or not they took part in a
pilot study.
C) experimental subjects are blindfolded when given the experimental treatment.
D) all experimental groups are filled randomly using no particular criteria.
E) the experimenter knows which subjects are in the experimental group but not the control group
A) neither the experimenter nor the subject know whether the subject is in a control group or an experimental
group.
You might also like to view...
Consider the following two populations and the frequencies of alleles at the FGFR-1 locus. Allele 1 Allele 2 Allele 3 Allele 4 Population 1 0.25 0.25 0.25 0.25 Population 2 0.50 0.42 0.05 0.03 Which of the populations has greater allelic variation?
A. population 1 B. population 2 C. Neither; allelic diversity is the same for both populations.
What type of computer based search methodology would most likely be used to identify a potential promoter for a gene in a nucleotide sequence?
A. Search-by-signal B. Search-by-content C. Search-by-identity D. Search-by-recognition
Protists do not constitute a kingdom because they do not share a unique common ancestor
Indicate whether the statement is true or false.
The first marine biology laboratory was:
a. the Scripps Institute of Oceanography. b. the Marine Biological Laboratory at Woods Hole. c. the Rosenstiel School of Marine and Atmospheric Research. d. the Friday Harbor Laboratories. e. the Duke University Marine Laboratory.