Quasi-experimental designs lack the controls of strong experimental designs.
a. however, causal inferences can be made to the extent that rival hypotheses can be ruled out
b. as such, causal inferences should never be made
c. however, in most cases such deficiencies can be safely ignored
d. thus, such studies should not be performed by ethical researchers
Question 2
The results section should indicate
a. which participants were used in the study.
b. the stimulus materials used in the study.
c. the alpha level and the p-value of the statistical tests.
d. the likely applicability of the study to real world settings.
The experimental approach used by Masui and Markert to identify cyclin and cyclin-dependent kinase (
Connell's experimental manipulation of species indicated the presence of competition.
Sequential decline of whale catches in the Antarctic shows the strong effect of human predators.
Beavers can have strong impacts as ecosystem engineers.
Doing Qualitative Research: Designs, Methods, and Techniques
Experimental evidence of cytoplasmic localization in an amphibian oocyte.