Mass media have huge reach in society and are a key filter through which people learn about each other, yet countless studies demonstrate that these media continue to reproduce ethnic and racial stereotypes, with often harmful effects. Very often, when minorities are represented in the media , they are shown only in narrowly stereotyped roles, such as the model Asian migrant or the exotic Latina, or depicted negatively as the problematic “other,”. Researchers have found that prolonged television exposure predicts a decrease in self-esteem for all girls and for black boys, but an increase in self-esteem for white boys. These differences correlate with the racial and gender practices in movie and tv shows, which predominantly casts white men as heroes, while erasing or subordinating other groups
Achilles and the son of Atreus.
They can also cause erosion and weathering and landslides
Answer: 3. variable ratio
Options:
1. fixed interval
2. fixed ratio
3. variable ratio
4. variable interval
Explanation: The variable ratio of reinforcement uses rewards to create a high and steady rate of response. The rate of reward for a target behavior is unpredictable so the rat does not know when its response will get a reward. It will keep responding until the reward is delivered.
The options listed above are schedules of reinforcement. They are schedules used in rewarding target behavior in Operant conditioning.
About one-third of Europe population died within that period.
During that time, the Europe underwent a horrendous black plague infection that is incurable with the medical advancement that they had at that time. It's predicted that this pandemic resulted in more than 200 million deaths in the European continent.