External validity is mostly concerned with
a) The accuracy of experimental hypotheses
b) The importance of applying the findings of experiments to different samples
c) The generalizability of the findings beyond the setting and sample of the experiment
d) The validity and appropriateness of using lab research in natural settings
Question 2
What is typically done to reduce the possibility of selection biases?
a) Choose the sample from a population that is believed to be very similar.
b) Control for the similarity of experimental participants.
c) Use random assignment to place participants into different experimental conditions.
d) Add a control group to the experiment.
An example of external fertilization.
Experimental evidence of the effect of allelochemicals on plant production.
Connell's experimental manipulation of species indicated the presence of competition.
Nasal cartilage and external structures.
An infant begins to notice the external environment by the age of 4 to 8 months
Positioning of external auditory canal for tympanic membrane visualization