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.
Lake 226 at the Experimental Lakes Area divided in half.
Glaucoma. (a) A buildup of pressure within the eye cavities, often caused by a blockage of vessels t
Each experimental organism used in cell biology has advantages for certain types
Model of a longitudinal study in which 983 students were surveyed in 1984 and then again in 1985, 19
Pablo Picasso, Study for Les Demoiselles d'Avignon: Head of the Squatting Demoiselle
Experimental demonstration of respiratory control