Iprovide ralph with the positive reinforcement of a candy bar when he does something i like. i punish him by squirting him with a squirt gun when he does something i don’t like. i am applying the principles of in an attempt to modify ralph’s behavior.

Operant Conditioning

Explanation:

Based on the information provided within the question you seem to be applying the principles of Operant Conditioning. This is a learning method designed by American psychologist and Behaviorist Burrhus Frederic Skinner in 1938, in which different behaviors are met with either a reward or a punishment in order to encourage or deter certain behaviors. Which is what you seem to be doing with Ralph by reinforcing a behavior with a candy bar or deterring it with a squirt gun.

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well the unjest treatment and discrimination did get faced by the idians and soldiers

explanation:

the invasive species was introduced due to commercial purpouses, as there was a demand for fur clothes and hence, a business opportunity connected to this product. actually, it was when the nutrias scaped, causing harm to the us ecosystems when they acquired the status of invasive species. in this case they have caused an environmental problem, but it could have affected also economic interests or even human health.