Twins who are produced when two separate ovaries are fertilized by two separate sperm at roughly the same time are known as ___________ twins
a. dizygotic c. dominant
b. monozygotic d. recessive
a
You might also like to view...
In judging Kohlberg's theory, data from nine or more countries show ____ correlation between age and maturity of moral reasoning
a. a strong positive b. a weak positive c. no evidence of a d. a strong negative
Research shows that children more often use private speech when
A) they have difficulty taking the perspectives of others. B) they are engaged in cooperative dialogues. C) tasks are appropriately challenging or they are confused about how to proceed. D) they cannot find a conversational partner.
Contemplating one's own death prompts a kind of life review, and therefore can be considered as a final developmental task
Indicate whether the statement is true or false
Professor Grant is interested in studying how a sense of humor changes over time. She collects data from separate groups of 6-year-olds, 16-year-olds, 26-year-olds, and 46-year-olds. What type of research design is Professor Grant using?
A. retrospective B. longitudinal C. experimental D. cross-sectional