Although his original theory of personality has been and continues to be criticized, Sigmund Freud’s ideas served to inspire the work of other personality theorists who made significant future contributions to the field. In this sense, Freud’s theory could be considered "useful" because it:

a. stimulated the discovery of new knowledge.
b. suggested that personality is shaped by behaviors that appear to fit together.
c. allowed researchers to predict future events with relative accuracy.
d. provided a comprehensive framework to explain known facts.

A. Stimulated the discovery of new knowledge.

Explanation:

Sigmund Freud was the developer of psychoanalysis. Psychoanalysis is the method that helps in the treatment of mental illnesses and the study of human behavior. In this method of mental illness treatment, the person's repressed emotions and thoughts are made conscious thus helping them to come from unconscious to conscious state of mind.

Though his theories of personality development are criticized but it helped in the development of new knowledge of psychoanalysis. His work's helped in the development of further new theories and studies in the same field of knowledge.

So, the correct answer is option A.

jupiter is mainly composed of hydrogen and helium just like a star. spectral analysis of jupiter has revealed that in addition to hydrogen and helium, the planet is made of water, methane and ammonia. those elements are in trace amounts. the core of the planet is thought to contain some rock and metallic hydrogen. i hope this will give you the answer to your question! : d

even though you have attached neither the chart nor the generalizations, i have located them online. the right answer is d, since they are asking you about a generalization. you can only infer from the chart that between 2008 and 2009 the number of employed workers decreased significantly (from over 115 millions to 107 millions approximately), which signals some type of economic crisis.