The railroads help transfer people and goods across the United States lot faster than on horse. Also helped with mailing.
Answer:
option A
Explanation:
the correct answer is option A
an important variable in the family life is age, marital status, and Presence of Children.
As in a family, the presence of children is variable because as time passes the age of children keeps on increasing which reduces the number of children in the family.
hence, we can say that the Presence of Children is a variable in family life.
Answer:
Correlation or experimental
Explanation:
Researching abnormal behaviors may be correlational or experimental. There are few ethical concerns bothering on research in psychopathology. Magnitude and sample size play a very important role here. Sample size need to be very large to be significantly correlated. Correlational factors are examined as they are currently. Experimental research involves manipulating one variable and taking note of the effect on another variable.
Developed by Hobson and McCarley in 1977, such hypotheses
were made from this theory and the major criticism of this is theory is that dream
content is more coherent, consistent over time, and concerned with waking
problems and anxieties than the activation-synthesis theory would predict.
