Researchers studying plant growth raised plants in two different rooms. One room had soft music playing 24 hours a day; the other room was silent. The researchers found that the plants grew better in the room where the music was played. In this study, the type of room (soft music or silent) would be:
a. the independent variable
b. a placebo
c. the dependent variable
d. a confounding variable
A
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Milton is hooked up to an EEG in a sleep lab. As the researcher watches the EEG recording, alpha waves appear. Based on this information, the researcher can conclude that Milton:
a. has just entered Stage N1 sleep b. has just entered Stage N3 sleep c. is experiencing REM sleep d. is awake, but relaxed and drowsy
Problem-solving strategies are referred to as ____________________ in the information-processing theory
Fill in the blank(s) with correct word
Describe the function and purpose of the placenta and explain what types of harmful substances can break through the placental barrier and possibly harm the fetus
What will be an ideal response?
By pairing the ringing of a bell with the presentation of meat, Pavlov trained dogs to salivate to the sound of a bell even when no meat was presented. In this experiment, salivation to the meat was the _______
a. unconditioned stimulus b. unconditioned response c. conditioned stimulus d. conditioned response