In his research study, Dr. Johnson gives participants false feedback about their performance. Consequently, Dr. Johnson should use __________ after the research session is over.
- A. informed consent
- B. a privacy statement
- C. debriefing
- D. a placebo
Correct Answer: C
Rationale: Dr. Johnson should use debriefing after the research session is over because giving participants false feedback may have affected them psychologically. Debriefing involves explaining the true nature of the study, including any deception that occurred, to the participants in order to protect their well-being and address any lingering concerns or misconceptions they may have. It is an important ethical practice in research to ensure participants are fully informed about the study they were involved in.
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What advice can you offer parents who want to reduce their newborn sonƒ¢¢â€š¬¢â€ž¢s discomfort during circumcision?
- A. Stimulate the Babinski reflex.
- B. Play loud music to distract the baby.
- C. Offer a sugar solution while gently holding the baby.
- D. Newborns have a low sensitivity to pain, so interventions are unnecessary.
Correct Answer: C
Rationale: Offering a sugar solution while gently holding the baby can help reduce the newborn's discomfort during circumcision. This method has been found to effectively decrease pain perception and can provide some comfort to the baby during the procedure. Stimulating the Babinski reflex, playing loud music to distract the baby, and assuming newborns have low sensitivity to pain are not recommended strategies for reducing discomfort during circumcision.
Which statement describes a limitation of the clinical method?
- A. It may not yield observations typical of participants' behavior in everyday life.
- B. Researchers cannot control conditions under which participants are observed.
- C. The findings cannot be applied to individuals other than the participant.
- D. It does not usually yield rich, descriptive insights into factors that affect development.
Correct Answer: C
Rationale: The statement that describes a limitation of the clinical method is that the findings cannot be applied to individuals other than the participant. The clinical method typically involves in-depth studies of individual participants, which may limit generalizability to a broader population. This means that the findings from a clinical study may not be applicable to other individuals who are not directly involved in the study.
The yolk sac __________.
- A. forms during the third trimester of pregnancy
- B. is the outer ring of cells that surrounds the blastocyst Copyright ƒâ€š‚© 2018 Laura E. Berk. All Rights Reserved. 3 Test Bank for Berk, Development Through the Lifespan, 7e
- C. produces blood cells until the organs are mature enough to take over this function
- D. contains one large vein that delivers blood loaded with nutrients and two arteries that remove waste
Correct Answer: C
Rationale: The yolk sac is an extraembryonic membrane that plays a significant role in the early development of the embryo. One of its functions is to produce blood cells until the organs are mature enough to take over this function. This process occurs during the early stages of prenatal development to support the growing embryo before it can sustain itself independently.
According to ecological systems theory, interactions between Marina and her child, Tyler, occur in the __________.
- A. microsystem
- B. mesosystem
- C. exosystem
- D. macrosystem
Correct Answer: A
Rationale: According to ecological systems theory, interactions between Marina and her child, Tyler, occur in the microsystem. The microsystem refers to the immediate social context in which an individual lives, such as interactions with family members, friends, and teachers. Marina and Tyler's interactions within their family unit would be considered part of the microsystem.
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
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.