On average, infants can walk unaided by about ______ months of age
a. 10 c. 15
b. 12 d. 18
B
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The Olympics Competition Committee wants to ensure that all contestants are true biological males or females. A physician points out that an examination of external genitals can be misleading
What will the committee recommend as a method for identifying true biological males and females? a) chromosomal analysis b) presence of teratogens c) analysis of personality characteristics d) current levels of certain neurotransmitters
The owner of a chicken ranch ends a pet dog's habit of stealing
and eating eggs by allowing the dog to "find" and eat several eggs laced with Tabasco sauce. The ranch owner's approach is similar to a. covert sensitization. b. aversion therapy. c. operant conditioning. d. desensitization techniques.
Seven-year-old Adriana ran in from school and shouted, “Hey, Mom did you know that 2 + 3 is the same as 3 + 2?” Adriana is demonstrating __________
a) centration b) decentering c) reversibility d) conservation
Pepe, a one-year-old child, wants a cookie. Instead of saying, “give me a cookie,” he says, “cookie.” In this example, Pepe uses a ___.
a. holophrase b. protoconversation c. babble d. replacement sequence