Three billion pairs of DNA (deoxyribonucleic acid) molecules are found:
a. in the human body.
b. in the chromosomes of each human cell.
c. in the X chromosome of a cell.
d. in each pair of chromosomes in the nucleus of a cell.
Ques. 2The color of our hair and eyes is determined by our:
a. chromosomes.
b. genes.
c. cytoplasm.
d. chorions.
Ques. 3Sixteen-year-old Camila is complaining about the test she just completed for a university research team. The test administrator sneered at her when she asked a question about the instructions. She didn't know how to answer questions about football. She couldn't understand the questions about cultural norms in early America. She was uncomfortable answering questions about religious beliefs. She didn't like questions implying that Latino children may not have high expectations for learning. She and the other girls in her group noticed that only ethnic minority students were being tested. Explain the validity of Camila's complaints and the weaknesses of the research plan.
What will be an ideal response?
Ques. 4A representative from a publishing company visits with you and recommends publishing the latest standardized test for measuring children's reading comprehension. The sales person gives you the test manual for review. What information would you look for in order to be sure the test is both valid and reliable?
What will be an ideal response?
Ques. 5You are new to your job as a part-time tennis instructor with the city recreation program. Your supervisor informs you that the most important thing for you to do is learn the names of all your students by the second day of class. You have two tennis classes, each with eight children. What can you do to ensure that you will know all of your student's names by the second tennis class?
What will be an ideal response?
Ques. 6Mr. Edwards teaches high school psychology. He has tried several times over the past few weeks to get the students in his psychology class to understand the difference between negative reinforcement and punishment. His students continue to confuse the two terms and he knows he must come up with a good example to help them understand the meaning of the concepts. As an avid lover of music, Mr. Edwards decides to apply his music tastes to the understanding of negative reinforcement and punishment. He explains to his students that his own behavior that he is trying to change relates to doing laundry. Mr. Edwards shares with his students that he procrastinates as long as he can and he hates doing his laundry. He also shares with this class his musical preferences. Mr. Edwards loves classic hard rock and dislikes country music. How could Mr. Edwards teach the concepts of negative reinforcement and punishment to explain how his music preferences could be used to change his behavior regarding doing laundry?
What will be an ideal response?
Ques. 7Which of the following describes a medical breakthrough that has greatly reduced prenatal diseases and fetal abnormalities?
a. Chorionic villus sampling (CVS) to detect blood-borne conditions.
b. Microarrays that detect DNA irregularities.
c. In utero medical and surgical techniques.
d. Noninvasive prenatal testing (NIPT).
Quick Reply
