Exam 3: 3methods of Research in Infancy

In the MacArthur-Bates Communicative Development Inventories (CDIs), parents check off which words their infants understand or produce. Infants' performance is then compared to performance of a large sample of infants of the same age. The CDIs is an example of

Professor Smith found that infants who looked longest to the new pictures at the time of the first assessment also looked the longest to the new pictures at the time of the second assessment. This is an example of

You have just become a lab manager at a prominent infant lab. The lab has some old data with 6-month-old infants that were collected 10 years ago. Your task is to recruit a new group of 6-month-olds to compare to the original group. What concerns do you have about this comparison?

What are the advantages and disadvantages of neurological assessments compared to behavioral assessments?

During a lab meeting, your PI announces that she will start to study brain activity in the lab. The PI describes how the children will be able to do the brain recordings while sitting on their parent's lap and that all recordings will be done in a small room adjacent to your office. What method is your PI most likely talking about?

A 3-month-old and a 15-month-old infant both complete the norm-referenced Bayley Scales of Infant Development-II. The 3-month-old obtains a standardized score of 52; the 15-month-old obtains a standardized score of 51. Standardized scores have a mean of 50, and a standard deviation of 10. What do these results suggest about the children's performance?

Why is it important for developmental psychologists to supplement their observations with parent interviews or questionnaires?

Which of the following questions have to be considered when designing a new experiment with infants?

Describe the conditioned head-turn procedure. How could it be used to study whether infants can discriminate between native and non-native speakers of their mother tongue?

Event-related potentials are

For her new study, Professor Smart decides to measure infants' heart rate as well as their cortisol levels when they see pictures of snakes and butterflies. What is one of the advantages of including both of these measures?

Which of the following statements is false?

To study the effects of genes on infants' stress response, researchers can