Correct Answer: D

Rationale: Healthy women in their thirties typically have about the same rates of pregnancy complications as those in their twenties. While it is true that the risk of fertility issues and certain pregnancy complications may increase with age, generally speaking, women in their thirties who are healthy and do not have preexisting conditions do not necessarily experience higher rates of pregnancy complications compared to women in their twenties.

Correct Answer: B

Rationale: Freud's theory was the first to stress the influence of the early parentƒ¢¢â€š¬¢â‚¬â„¢child relationship on development. Sigmund Freud's psychoanalytic theory emphasized the importance of the child's interactions with caregivers, particularly during the early stages of development, in shaping personality and behavior.

Correct Answer: D

Rationale: Preterm newborns, like Cheryl, experience a higher percentage of REM sleep compared to full-term newborns. This is because REM sleep plays a critical role in brain development, and preterm infants have an increased need for brain development due to their early arrival. Therefore, Cheryl, as a preterm newborn, is most likely to experience the greatest percentage of REM sleep among the individuals listed.

Correct Answer: D

Rationale: The clinical method yields richly detailed case narratives that offer valuable insights. This method involves in-depth interviews, direct observation, and structured interactions to gather detailed information about an individual's behavior and development. It focuses on understanding the unique aspects of an individual's experience and can provide rich insights into behavior and development.

Correct Answer: C

Rationale: One strength of the cross-sectional design is that it is not plagued with dropout or practice effects. This is because cross-sectional studies assess different individuals at the same point in time, eliminating the risk of participants dropping out or improving due to repeated measures.