When the item-total correlation is ____, the slope of the item characteristic curve is
_______.
a) negative; positive
b) negative; negative
c) positive; negative
d) positive; zero
Question 2
In attempting to validate CBTI systems, researchers face difficulties such as
a) the easy-to-read narrative reports compromise the validity of the test
b) identifying a standard that defines the correct interpretation of test scores
c) the company that develops the CBTI system is unwilling to reveal how interpretative reports are generated
d) all of the above
The north-facing slope at this site supports a Mediterranean woodland, while the vegetation on the s
Placing sterile item on a sterile field
The age-dependent curve of salivary progresterone levels in three populations.
Oxygen-binding curve for myoglobin
A graphic depiction of predisposing alleles characteristic of a threshold trait within a population,
Type III curve. Mortality is highest early in life. Data for a desert shrub (Cleome droserifolia).