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.
The leaf is usually the primary site of photosynthesis in plants.
Primary cilium and the Hedgehog pathway
These examples of stimuli were used in the experiment by Vinckier et al. (2007). Mouton is the Frenc
Primary School Attendance in World Regions Attending primary school is common but not universal, wo
Select of Primary and Secondary Procedures
Primary and secondary immune responses