Answer:
It's an observational study.
Explanation:
Because the study was focused on the reactions of the toddlers with the robot, the mainly thing on it was the behavior of them and reaction after the adult left the room; they used variants for them to compared and therefore has a more clear result.
Andrew jackson and donald trump
Answer: High
Industrial Agriculture, low; food foraging, horiculture.
Explanation:
High
Industrial Agriculture
Low
Pastoralism
Food Foraging
Horticulture
Answer:
75%
Explanation:
In order to understand this question you need to understand the matching law first. The matching law provides the density of reinforcement or the rate of reinforcement if more than one response is available simultaneously to the individual. Here, two responses are available which are left key, 60 reinforcers per hour, and right key, 20 reinforcers per hour. This provides the ratio between the two reinforcers which is 60:20 or 3:1 in favor of left key. Here, one has to make a prediction only for left key and based on 3:1 ratio it can be said that 75% of pigeon will make their responses on the left key.
Answer: Erickson's second stage of development- Autonomy vs. Shame and Doubt
Explanation:
According to Erickson's theory of psychosocial development Christian is accomplishing tasks associated with The second stage of development- Autonomy vs. Shame and Doubt which takes place usually from 18 months to three years.
In this stage, children develop a sense of independence and willful exploration and sense of personal control. They can perform little tasks on their own and take decisions on what they prefer to also parents and guardians can help then develop autonomy by allowing them make their choices.
If they are discouraged or scolded for mistakes in courses of thier actions, may develop shame and doubt and struggle with a sense of personal control.
