A childless couple being interviewed on TV is just about to pick up their 3-year-old toddler from an orphanage in Romania known for its terrible conditions. They say that "by the time he goes to kindergarten, people will think he has grown up here all his life." Based on the research, is this an accurate prediction? Explain.
What will be an ideal response?
One of the main findings from the research on institutionalized children is that age of adoption had a significant impact on various outcomes: the earlier the better. Specifically, those adopted after about 6 months of age showed lower cognitive ability than their counterparts who were adopted earlier. An enriching environment certainly can help to make up for earlier disadvantages, but brain plasticity decreases over the first year, so the optimal benefits occur early.
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A person who is fully "awake" attuned to the immediate reality, and acutely aware of every thought, emotion, or sensation, but does not judge it or react to it is exhibiting
a. lucid dreaming. b. mindfulness. c. concentrative cataplexy. d. anhedonia.
In which of the following designs is the investigator most likely to be justified in drawing causal inferences?
a) Cross-sectional designs b) Retrospective designs c) Longitudinal designs d) All of the above
Which of the following statements is true about the cohort-sequential design?
A. This design is a variation on the basic time series design, and it charts changes in behavior as a function of some naturally occurring event. B. In this design, the naturally occurring event is a quasi-independent variable. C. In this design, one includes a time series component along with a control group that is not exposed to any treatment. D. This design lets one evaluate the degree of contribution made by factors such as generation effects.
By setting a criterion probability for rejecting the null hypothesis, one can set the rate at which one will commit Type I errors. This criterion that is the probability of making a Type I error is known as the ________.
A. beta level B. effect size C. F ratio D. alpha level