The statistical decision process involves:
a. a test of whether the independent variable caused differences between groups.
b. a test of whether confound variables caused differences between groups.
c. a test of the research hypothesis.
d. a test of the null hypothesis.
Question 2
When interpreting the results of an experiment, we first consider the possibility that the results are due to ____, then second, to ____, and then third, to ____.
a. independent variable; chance; unknown factor
b. unknown factor; independent variable; confounding variable
c. chance; unknown factor; independent variable
d. Type I variable; Type II variable; independent variable
The asymmetrical appearance of Mira, an oscillating variable star.
A Summary of the Star Formation Process
National Results of the Scholastic Assessment Test (SAT)
Taste Test
Test of Yanofsky’s Proposed trp Operon Gene Order
Animated Light-independent reactions in CAM plants.