The correct answer to this open question is the following.
Although the question does not provide any options, we can say that the ethical standard that waiting to propose the study violates is "Informed Consent to Research."
In this case, Professor Hammond, first, had to inform the students about the study she was doing so the students were aware of this situation is class. So once she notified the class about her research, then ask them their consent to participate in the study. They probably had to sign a document that serves as an agreement of their participation. The students then would be aware of the details of the research and they would decide if they want to be part of the study. That is the ethical way to proceed.
Answer:
The purpose of the Freedmen’s Bureau was "c. to provide relief to all poor people in the South."
Participants will respond to extraordinarily high ration requirements when reinforcement requirements are thinned gradually over a long period, similar to FR schedules.
<h3>What are reinforcement schedule?</h3>
The precise rules that are applied to offer (or remove) reinforcers (or punishers) after a specific operant activity are known as schedules of reinforcement. These guidelines are outlined in terms of the duration and/or quantity of replies necessary to provide (or remove) a reinforcer (or a punisher).
<h3>What are FR schedules?</h3>
Reinforcement is only delivered after a predetermined number of replies under a fixed-ratio schedule (FR schedule) in conditioning. "FR 1" denotes that reinforcement is given following each response; "FR 50" denotes that reinforcement is given following each of the first 50 responses; and so forth.
Learn more about reinforcement schedule: brainly.com/question/12282349
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