As early as the end of the ____ gestational month, the fetus's reproductive system already contains immature ova or sperm cells
a. third
b. fourth
c. fifth
d. sixth
A
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Dr. McBride wants to know if the teacher’s use of encouragement in the classroom affects the children’s self-esteem. To assign children to treatment conditions, Dr. McBride should __________
A) carefully distribute the children according to their test scores B) divide the children so each group has an equal number of boys and girls C) draw the children’s names out of a hat D) assign the quieter children to the same treatment condition
In studies of Scottish and Ugandan infants, which of the following was true?
a. The Ugandan infants were more likely to be securely attached than the Scottish infants. b. Fear of strangers followed separation anxiety in both studies. c. The Scottish infants showed no separation anxiety. d. Fear of strangers preceded separation anxiety in both studies.
Every time that a synapse fires it emits a tiny burst of electricity. What technology measures this phenomenon?
a. electrocardiography b. electroencephalography c. echocardiography d. electromyography
Fear of imaginary creatures typically continues to strengthen during the elementary-school years
Indicate whether the statement is true or false