To achieve partial control in ex post facto research, the researcher can
a. conduct a pilot study to determine a common cause.
b. match subjects on as many extraneous variables as possible.
c. randomly assign subjects to experimental and control groups.
d. b and c
Question 2
Identify the threats to internal validity illustrated in the example below. Some students left the experimental program because of a conflict with sports.
a. Instrumentation
b. Experimental mortality
c. Selection-maturation interaction
d. Statistical regression
e. Diffusion
Relatively simple changes in Hox genes control limb formation in tetrapods.
Feedforward control of breathing rate in an animal trained for athletic exercise.
USF Biologist Taegan McMahon conducts experiments on chlorothalonil at a research facility in East H
The greatest bone mass is found around age 30 for both men and women, with the later decline being f
The Six Major Divisions of Biopsychology, with Examples of How They Have Approached the Study of ...
Heartfelt Forgiveness Study