A researcher has developed a device to prevent snoring.The device works immediately when it is put on, but has no lasting effect when it is removed. The researcher decides to evaluate this device with a single-subject design. Which design is most appropriate?
a. ABAB design
b. multiple-baseline design
c. alternating treatments design
d. changing criterion design
Question 2
A statistical estimate of the standard deviation one would obtain from the distribution of an infinite number of estimates of the difference between the means of two groups is the ____.
a. standard error of the difference
b. estimated error
c. regression coefficient
d. correction factor
A pygmy hippopotamus rests in some water to help prevent its skin from cracking at Ueno Zoo in Japan
How allopatric speciation works.
PPE used to prevent exposure to bloodborne pathogens.
The mask covers both the mouth and nose to prevent exposure to body fluids and airborne droplets.
Handheld BIA device
Flexible exchange rates are supposed to prevent long-term trade deficits.