Which of the following is TRUE about multi-tasking, as shown by current research?
a. Multi-tasking slows you down and increases the chances of making mistakes.
b. Heavy multi-taskers perform better on tests of task switching than those who haven't done it very much.
c. People who switch from task to task get more done than people who complete one task before beginning the next.
d. Responding to message alerts while doing other things increases productivity because it keeps you more alert and focused.
A
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Which statement best describes the connection between environmental stress and maturation in girls? a. Puberty occurs earlier in girls who have experienced chronic stress
b. Puberty occurs later in girls who have experienced chronic stress. c. The onset of puberty in girls is determined genetically, thus stress has no effect on the timing of puberty. d. The effects of stress on maturation in girls are unknown.
A student wanted to know whether memory for items on a grocery list was better when a bizarre image was created for each item, compared with a strategy of simply trying to remember the items. The student had a randomly selected sample use bizarre imagery to remember a list of 15 items; the mean number of items remembered was 10 . The student compared this mean to a population mean of 7 and a
standard error of 1.20 . What is the probability of obtaining a sample mean of 10 or higher? a. 0.0062 c. 0.4938 b. 0.1151 d. 0.9938
Jazmin, age 18 months, cries and climbs on her mother when she attempts to leave Jazmin with a babysitter. Jazmin is displaying
A) an internal working model. B) interactional synchrony C) social referencing. D) separation anxiety.
Infants who are younger than 6 months of age
a. do not need to experience speech sounds in their environment to be able to discriminate them. b. must experience speech sounds in their environment to be able to discriminate them. c. can discriminate only the sounds found in their native language. d. cannot discriminate any speech sounds which explains why they cannot talk.