Answer:
stimulus discrimination
Explanation:
Mrs. Ridcully probably attempted that her conditioning (her own specific whistle) would eventually be generalized and other similar stimulus (dog owner's whistle) would generate the same conditioned response, but she failed. Instead, the dog discriminates Mrs. Ridcully's whistle from other people's whistle and will only respond to her.
Stimulus discrimination happens when the subject is able to differentiate between different stimuli, and will only respond to an specific stimulus.
A. They give children freedom but withinset limits.
Answer:
In the 1800's, photography were important for memories of the people lost in the war, and to have a something to reminisce for good times.
Explanation:
The chief symbol in the passage is the bedroom
B bit
Yes, the data from mass spectrometry has helped modern scientists to make modifications to Dalton's model.
Dalton's model consisted of a single atom and that basically the atom is the smallest object. At the time, no discovered what are inside of atoms.
Atoms are made up of small particles, protons, neutrons and electrons. A mass spectrometer is an instrument that is able to see what is inside an atom. With this item, scientists have proved that atoms are not the smallest in the world cause the objects in them are smaller.