If a correlational test involves data that are dichotomous, that is, if the data for a variable can take on only one of two variables, the test involves
a. a correlational measure.
b. a test of association.
c. ordinal variables.
d. independent variables.
Question 2
When measuring behavior, researchers want the variability in the numbers they assign to participants' responses to
a. be as small as possible
b. be as large as possible
c. correspond to the variability in participants' responses
d. be unrelated to variables they are investigating
e. be affected by their manipulation of the dependent variable
The nitrogen cycle. Numbers represent fluxes as 1012 g N per year (data from Schlesinger 1991, after
Nitrogen fluxes in Sycamore Creek, Arizona (data from Grimm 1988).
Urinary catheterization. The procedure involves the insertion of a flexible tube, or catheter, throu
Triceps Reflex Test
Catalase Test
A typical 12 volt test light.