Primary reinforcers are stimuli that:
a. satisfy biologically built-in needs.
b. are the most effective of all reinforcers.
c. work only with students in the lower elementary grades.
d. are effective even when presented before the desired response.
Question 2
A primary reason that some students with physical or sensory challenges have difficulty with disciplines like science and social studies is that they often have:
a. low motivation to achieve academic success in these domains.
b. frequently also have general delays in cognitive and social functioning.
c. limited experience interacting with the physical and social environment.
d. few learning strategies, such as rehearsing or organizing the content.
Structure of cellulose, the main macromolecule of the primary cell wall
Plant apical meristems and the primary tissues they produce.
Primary factors affecting blood pressure
The primary and secondary adaptive responses.
Primary succession
Proteins are built from amino acids