The point of sensitivity at which the least amount of change in a stimulus gives rise to a change in a sensation is a definition of ____.
a. the just noticeable difference
b. the absolute threshold
c. Weber's Law
d. the differential threshold
e. the stimulus change threshold
Answer: d. the differential threshold
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Calculated, logical thought is an example of:
A. System 1 decision making. B. System 2 decision making. C. System 3 decision making. D. System 4 decision making.
Which statement about interventions that support parents and preterm infants is true?
A) Preterm infants whose parents receive coaching show no gains in mental test performance. B) Babies who are both preterm and economically disadvantaged require long-term, intensive intervention. C) For economically disadvantaged parents of preterm infants, just a few sessions of coaching are required. D) Even for parents with adequate economic and personal resources, long-term, intensive intervention is necessary.
Laboratory studies of bystander intervention indicate that the likelihood of intervention ________ as the number of bystanders ________
a. decreased; increased b. decreased; decreased c. increased; increased d. was unchanged; increased e. increased; decreased
One of the most frequently occurring recessive disorder is
A) phenylketonuria (PKU). B) Down syndrome. C) cystic fibrosis. D) Tay-Sachs disease.