Answer:variable - interval
Explanation: In the this scenario, The humanities instructor is using a variable-interval schedule of reinforcement. The instructor used the word 'surprise' meaning the time and date of the test isn't fixed and the quizzes will come up at unpredictable time intervals. This kind of reinforcement results in a steady response rate as it keeps students on their toes simply due to the fact that they have no idea of when the quizzes are coming up.
The cause of baby david's death was being crushed by pickup trucks.
The pickup truck came over tot he strolling father and baby after colliding with another car beforehand.
Witnessed testified that after hearing a loud bang and run toward the scene, they saw that the baby died instantly from the crash.
Athens was a direct democracy in which citizens voted on laws themselves. There are similarities and differences between Athenian democracy and that of the United States. In a democracy, the citizens make decisions. But the difference between the democracy of Athens and U.S. democracy today is that in Athens the people directly made the laws themselves.
Answer:
Mood congruency effect
Explanation:
In psychology, the mood congruency effect refers to the phenomenon in which a person tends to remember information that is consistent with their present mood, this way, they tend to recall memories that are similar to the mood they are experiencing at a certain time. (If you are sad you will recall sad memories).
In this example, Jean <u>was extremely happy</u> and as she was celebrating, <u>she recalled other happy memories </u>in her life, thus since the memories she recalled were similar to the mood she was in (happy), we can conclude that her recalling of other happy memories is an example of the mood congruency effect.
Answer:
A. Independent Variable (IV): description / picture of girls
B. Levels of the IV: two levels
C. Dependent Variable (DV): attractiveness
Explanation:
The above experiment presents two levels of independent variable.
In summary, we can say that these levels are related to the number of experimental conditions that the independent variable can cause. As shown in the question above, the independent variable is the girl's photo and description. The conditions that this variable can cause is to stimulate attractiveness, or to discourage the throughness of those who observe it, that is, there are two conditions, so there are two levels of independent variable.