By eight to 12 months of age, infants smile more frequently when another person is nearby. This behavior is called a(n)
a. social intention.
b. Moro reflex.
c. social smile.
d. automatic smile.
ANSWER: c
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By the time a baby reaches his first birthday, he will spend about 25% of its sleep time in _______________ sleep, which is similar to sleep patterns of an adult
Fill in the blank(s) with correct word
The portion of one's self that focuses on heritage and group culture is referred to as one's _______________ identity
Fill in the blank(s) with correct word
Which of the following involves procedural memory?
a. Knowing how it feels to be scared b. Recalling a childhood memory c. Knowing how an automobile engine works d. Reading a sentence in a book
The sum of the squared deviations from the mean divided by the number of observations minus 1 is called the ____
a. range b. variance c. dispersion d. error