When we are not sure that the obtained result of an experimental study is really attributable to our manipulation of the independent variable, we are questioning the __________ of the study.
a. generalizability
b. external validity
c. internal validity
d. correlational nature
Question 2
A major advantage of within-group experimental designs is that they
a. require fewer participants than between-groups designs.
b. are more valid than between-groups designs.
c. allow for higher numbers of participants than between-groups designs.
d. are more flexible than between-groups designs.
Model organisms used to study the genetics of development
Experimental evidence of the effect of allelochemicals on plant production.
study
As a result of this change, deoxyhemoglobin S
Elements of Experimental Design.
Manhattan plots resulting from a genome-wide association study of seven common human disease