Nursing Elites

1. In a historic experiment with 11-month-old Albert, John Watson demonstrated that __________.

• A. children cannot be conditioned to fear a formerly neutral stimulus
• B. infants as young as a few months old will repeat a behavior to obtain a desirable reward
• C. children can be conditioned to fear a formerly neutral stimulus
• D. children have an innate, inborn fear of rats Answer: C Page Ref: 16 Skill Level: Understand Topic: Mid-Twentieth-Century Theories Difficulty Level: Moderate

Correct answer: C

Rationale: In the historic experiment with 11-month-old Albert conducted by John Watson, it was demonstrated that children can be conditioned to fear a formerly neutral stimulus. This is known as classical conditioning, where a neutral stimulus is repeatedly paired with an unconditioned stimulus to create a conditioned response. In this case, Albert was conditioned to fear a white rat by pairing the rat with a loud noise. This experiment showcased the power of conditioning in shaping behavior and emotional responses in children.

2. Which of the following best describes a sequential design?

• A. Does not address diversity in developmental outcomes.
• B. Permits researchers to check if cohort effects are operating.
• C. Is less efficient than a longitudinal design.
• D. Makes cross-sectional, but not longitudinal, comparisons.

Correct answer: B

Rationale: A sequential design permits researchers to check if cohort effects are operating. This design involves combining cross-sectional and longitudinal research, allowing for the comparison of different cohorts at different ages. By using this approach, researchers can determine if developmental changes observed are due to age or generation-specific factors. Therefore, a sequential design is valuable in addressing the potential influence of cohort effects on developmental outcomes. Choices A, C, and D are incorrect because a sequential design does not neglect diversity in developmental outcomes, is not necessarily less efficient than a longitudinal design, and can make both cross-sectional and longitudinal comparisons.

3. Around __________, Baby Alanna should begin to prefer a salty taste to plain water.

• A. 2 weeks
• B. 6 weeks
• C. 2 months
• D. 4 months

Correct answer: D

Rationale: At around 4 months of age, babies begin to develop a preference for salty taste over plain water. This preference is part of their sensory development and exploration of tastes. Introducing a variety of flavors, including salty tastes, at this stage helps broaden the baby's palate and acceptance of different foods later on. Choices A, B, and C are incorrect as babies typically do not develop a preference for salty tastes over plain water at 2 weeks, 6 weeks, or 2 months of age. These earlier stages are more focused on milk feeding and the introduction of solid foods usually begins around 4-6 months of age.

4. According to research on family chaos, mothers who __________ experience greater psychological stress.

• A. make family meals
• B. frequently multitask
• C. work outside the home
• D. cosleep with their infants

Correct answer: B

Rationale: According to research on family chaos, mothers who frequently multitask experience greater psychological stress. Multitasking can lead to increased stress levels as individuals juggle multiple responsibilities and tasks simultaneously, leading to a sense of being overwhelmed and unable to focus effectively. This can contribute to higher levels of psychological stress for mothers in particular, impacting their overall well-being. Choices A, C, and D are incorrect because the research specifically links frequent multitasking, not making family meals, working outside the home, or cosleeping with infants, to greater psychological stress among mothers.

5. Jalynn is in the last half of the first month of her pregnancy. Which of the following is developing the fastest?

• A. circulatory system
• B. endocrine system
• C. nervous system
• D. skin

Correct answer: C

Rationale: During the last half of the first month of pregnancy, the nervous system develops the fastest among the options provided. This rapid development of the nervous system is crucial for the overall growth and functioning of the fetus. The nervous system includes the brain and spinal cord, which are essential for various bodily functions and will continue to develop throughout the pregnancy. The circulatory system, although important, does not develop at the fastest rate during this stage. The endocrine system and skin also play significant roles in the development of the fetus but are not the systems that develop the fastest in the last half of the first month of pregnancy.

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