Answer:
Occurs in a real-world setting.
Explanation:
When a researcher questions something that requires observation of an animal in the real world it is important that nothing happens that may change the behavior of the animal that is being observed. This affects the quality of the research as it is influenced by outside factors.
Here, Dr. Sanjay is observing how often strangers approach one another at the park on weekend afternoons. People are interacting the way they would if he was not present. This makes the observation in the real-world setting valid.
The dip in the performance of groups could be due social loafing. This is the tendency for individuals to exert less effort when they are in a group than they would have had they been alone. This can result from a feeling that their effort is trivial and would not matter to the group.
Answer:
Most developing countries have abundant renewable energy resources, including solar energy, wind power, geothermal energy, and biomass, as well as the ability to manufacture the relatively labor-intensive systems that harness these.
Explanation:
Choice C. Alex is currently not employed, while John is still working part-time. John is still part of the labor force.