The main difference between benign and malignant tumors is
A) ?that malignant cells can invade surrounding tissues.
B) ?the ability of benign tumors to metastasize.
C) ?the size of the tumor each produces.
D) ?that benign tumors attack nearly any tissue, whereas malignancies are specific to animal (including human) tissue cells.
A
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Which of the following is an advantage of longitudinal studies?
A. They can detect patterns of change, such as the onset of negativism. B. The data they provide allow researchers to determine cause and effect. C. Researchers only need to obtain data from the same participants at one point in time. D. They are quicker to carry out than cross-sectional studies.
According to Freud, the last psychosexual stage, the genital stage, is reached at ______
Fill in the blank with correct word
Dermatomes typically overlap to some degree
Indicate whether the statement is true or false
At Boston Sacred Heart School, all the students in grades 9 to 12 are asked to participate in community-building programs. Students are asked to choose from a wide range of initiatives, such as helping older adults, conducting activities in orphanages, assisting animal-welfare workers, etc. The school also conducts group discussions in which children are encouraged to reflect upon their experiences. This program is aimed at enabling the students to become less self-centered and promote prosocial behavior. In this example, Boston Sacred Heart School uses
A. operant conditioning. B. classical conditioning. C. service learning. D. life skills-based training.