He is lacking a control group.
He cannot make a causal statement.
He did not manipulate an independent variable.
Environmental Psychology is an area of Psychology that studies the interrelationship of man with the environment in its physical and social context. But what characterizes an environment in Psychology. The definition of environment used in disciplines such as physics and natural sciences is different from the concept of environment in psychology. We can define the environment as something real that potentially has some effect on the behavior of a single individual or group of individuals, the environment is never neutral, since the absence or presence of certain elements always enhances a message. This studied environment can be your home, your neighborhood, your city, your school. The individual-environment relationship is a dynamic relationship, as there is a reciprocity of influences, the individual shapes the environment so that it meets his needs. The concern of Environmental Psychology is how man, from his perceptions, man perceives and acts on the environment and at the same time how that same environment is influencing the individual's daily behavior.
Answer:
The type of sampling used in Jankowski's study of gangs is Option D. Stratified sampling.
Explanation:
With stratified sampling, the researcher will partition the population into different groups, usually based on some characteristic that is common to that group. In this case, it was the different kinds of gang membership. Then, the researcher will take a sample of people within each specific group using another sampling method like simple random sampling for instance. The groups that are used in stratified sampling are called strata. Another example would be a national survey that is divided into strata of the different major ethnic groups that comprise the national population.
They are most described as a mixed economy
The public approved of Martin Van Buren because he was sticking policies similar to Andrew Jackson, the previous president. Jackson also helped campaign Buren. Buren supported lower tariffs while his opponent, the Whig Party, did not. He also advocated free trade and set up system of bonds for the national debt.
