A researcher measures student enthusiasm in a class that varies by the size of the room (small, large) and the number of students (few, many). The results show that enthusiasm in class was greatest in a small room with few students. However, when the room was large, enthusiasm was greatest with many students. What effect was described in this example?
A. main effect of room size
B. Room Size × Number of Students interaction
C. main effect of number of students
D. No effect was demonstrated.
Answer: B
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Maternal employment in the United States
a. increased dramatically in the 1970s and 1980s, but has declined since that time. b. is rare in the United States, but common in other countries. c. has increased dramatically in the past 50 years. d. has had a negative impact on children's psychological functioning.
The type of learning that focuses on the consequences of behavior is called:
a. classical conditioning c. process conditioning b. operant conditioning d. latent learning
On which neonatal assessment scale is the infant assessed on 27 items and receives an overall rating of worrisome, normal or superior?
a. Apgar scale b. Brazelton Neonatal Behavioral Assessment Scale c. Wechsler Infant Intelligent Scale d. Stanford-Binet Scale
A group of swan eggs were left abandoned near Liam's home, so he brought the nest inside to care for them. While away from home running errands, the birds all hatched. Several hours later, upon his return, Liam was the first human that the birds saw. As a result of this early meeting, which of the following is most likely to occur?
A. The birds will be bonded to Liam. B. The birds will shriek in terror at the site of a human. C. Since no parent or human was present at birth, the birds will bond to one another. D. The birds will not bond to anyone since no one was there right at the time of birth.