Answer:
naturalistic observation
Explanation:
In naturalistic observation, researchers will gather data by directly observing the subjects in their natural habitat without making any intervention.
This is what Professor Ober is doing.
Professor Ober wants to collect a data about development of their physical skills among children. This means that the <u>children are his research subjects.</u>
To collect his data, professor Ober observed the children in the playground (which is the children's natural habitat). He also did not told the children to do anything , he just quietly observe and let the children do what they usually do. (not making any intervention)
The correct answer is scarcity.
Scarcity refers to when certain goods or resources are not able to be produced in a quantity that is sufficient enough to meet people's demands.For instance, let's assume that every summer, a certain state's markets sell mangoes that are high in demand by customers. However, one year, most mango trees are unable to yield mangoes due to unfavorable weather. Due to this only very few mangoes are sold to customers and there are not enough to meet customers' demands. This means that there is a scarcity of mangoes.
His panic disorder was apparently accompanied by "agoraphobia".
Agoraphobia refers to a kind of nervousness issue in which you fear and keep away from spots or circumstances that may make you frenzy and influence you to feel caught, powerless or humiliated. Individuals with agoraphobia frequently have indications of a fit of anxiety, for example, a quick pulse and queasiness, when they end up in an upsetting circumstance.