Which of the following are NOT considered likely sources of exposure to lead poisoning?
a) Painted walls and window seals in older homes
b) Gasoline and air pollution from car exhaust
c) Some ceramic dishes and lead-soldered pipes that carry water
d) Farm products such as fruits, vegetables, and milk
Answer: d
Psychology
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As part of an assignment, Bill's class was asked to complete an anonymous questionnaire on sexual discrimination. Which research method was Bill's professor using?
a. field experiment b. survey c. naturalistic observation d. laboratory experiment
Psychology
When a particular type of learning can take place only during a specific time period, not before or after that period, there is a(n) ___________ for learning that behavior
a. instinct c. blank slate b. critical period d. emotional bond
Psychology