James W. Marshall discovered gold in the Sutter Creek area of Colona, California on January 24, 1848 while working to construct a mill.
Answer:
The introduction of an approach which modified behaviour using short lectures and self-paced learning was developed by Fred Simmons Keller. It was called Personalized-Proctorial System of Instruction (PSI).
Explanation:
He designed a system which delivered and monitored the progress of assimilation of the ideas that were being taught unit by unit.
Students were required to master one unit before exposure to the next.
Cheers!
Answer:
e. Any behavior that is accidentally reinforced is more likely to be repeated.
Explanation:
Marvin's behavior of wearing a red shirt and not falling in the test acts as a reinforcement for him. Although he usually fall in the test but that day when he wore a red shirt he did not. Though it was an accident it caused the repetition of the occurring action (that is wearing a red shirt). The whole phenomenon suggests that an accidental reinforcement more likely to cause a repeated behavior.
The answer is C. Either A or B
If only 1 leg that is impaired, they use a cane or a walker. If 2 legs impaaired, they use a wheelchair
NB : Wheelchair users are also included as pedestrian
