更多"Researcher"的相关试题:
[单项选择]From where will the researcher get the permission for the new drug
A. The American Government.
B. The City Hospital
C. The Medical Research Institute
D. The U. S. Food and Drug Administration.
[单项选择]When a researcher use grounded theory practice in collecting data, and categorizes data into patterns as the primary basis for organizing and reporting results, he is doing______.
A. qualitative research
B. qualitative research
C. synchronic research
D. diachronic research
[填空题]A researcher says lead in the environment could be a major cause of violence by young people. Doctor Herbert Needleman is a professor at the University of Pittsburgh School of Medicine in Pennsylvania. He says the (36) of lead in the brain changes the neurons that control actions and that can cause a person to act in antisocial and (37) ways.
Lead is a metal that is (38) dangerous to babies and young children. They can get it into their bodies by breathing or (39) lead dust, or by eating soil or pieces of lead paint. Children with high levels of lead can (40) brain and nervous system damage, learning (41) , slow growth, headaches and hearing loss.
In the 19th century, Doctor Needleman found lower scores on (42) tests even in children who did not have such signs of lead (43) . After that, lead was removed from gasoline and paint in the United States. Yet many homes still have old lea
[填空题]What did the researcher use to record Prairie Dog barks
[单项选择]A researcher is testing whether the average age of employees in a large firm is statistically different from 35 years ( either above or below). A sample is drawn of 250 employees and the researcher determines that the appropriate critical value for the test statistic is 1.96. The value of the computed test statistic is 4.35. Given this information, which of the following statements is FALSE The test:（）
A. is two- tailed.
B. indicates that the researcher will reject the null hypothesis.
C. has a significance level of 95%.
[多项选择]
Section C
A researcher says lead in the environment could be a major
cause of violence by young people. Doctor Herbert Needleman is a professor at
the University of Pittsburgh School of Medicine in
Pennsylvania. He says the (36) of lead in the brain changes
the neurons that control actions and that can cause a person to act in
antisocial and (37) ways.
Lead is a metal
that is (38) dangerous to babies and young children. They
can get it into their bodies by breathing or (39) lead
dust, or by eating soil or pieces of lead paint. Children with high levels of
lead can (40) brain and nervous system damage, learning
(41) , slow growth, headaches and hearing loss.
In the 19th century, Doctor Needleman found lower scores on (42)
tests even in children who did not have such signs of lead
(43) . After that, lead was removed from gasoline and paint in the
United States
[填空题]Researcher’s studies indicated that the couples who owned a pet can ______.
[单项选择]How did the researcher get most of their data
A. By asking students to do questionnaires.
B. Through giving each students a programmable paper for a week.
C. Through interviews.
D. Through recording students’ activities.
