A recent review of studies on ESP using the Ganzfeld procedure concluded that __________
a) no convincing evidence for psychic ability had emerged from any of the studies.
b) no convincing evidence for psychic ability had emerged from the majority of studies.
c) convincing evidence for psychic ability had been found in the majority of studies.
d) convincing evidence for psychic ability had been found in virtually all studies.
b Explanation: The majority of quality studies have found no evidence for ESP. The studies
that reported positive results have been flawed.
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Perky's imagery study (1910) had participants describe images of objects that were dimly projected onto a screen. The significance of Perky's results was that
A. screen images interfered with people's ability to form mental images. B. people were influenced by the projected images when forming their mental images, even when they were unaware that the projected images were present. C. the screen images had no effect on people's mental images. D. people "used" the screen images to create their mental images but only when the objects were unfamiliar.
According to research presented in the text, the genetic locations that are responsible for determining a person's race:
a. are located on chromosome number 18 b. are located on the X chromosome c. are located on many genes, including those in chromosomes 18, 19, and 20 d. are probably unique to each individual, and therefore "race" is not a meaningful concept in a genetic sense
Which of the following is true about mutations?
A) They are generally adaptive. B) They are generally maladaptive. C) They may be either adaptive or maladaptive. D) They do not affect gene expression.
Scholastic competence, social acceptance, and athletic competence are just some of the __________ proposed by Susan Harter.
A. zones of proximal development B. domains of adolescent self-concept C. levels of operations D. stages of development