The central features of what experiment type include (1) independent and dependent variables, (2) pretesting and posttesting, and (3) experimental and control groups created through random assignment?
a. casual experiments
b. statistical experiments
c. classical experiments
d. cardinal experiments
Question 2
If randomization is not possible, what should the researcher do?
a. pre- and posttest
b. use the classical design
c. consider using a quasi-experimental design
d. randomization is always possible
Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and
Abiogenesis Experiment
Pierolapithecus catalunicus may be an ancestor of great apes and humans. Its postcranial skeleton sh
An experimentally made Oldowan type core.
Features of the skull of archaic Homo sapiens.
Scatterplots of Variables Having Several Different Levels of Correlation