A bottom-up process is involved in fixating on an area of a scene that
a. has high stimulus salience.
b. fits with the observer's interests.
c. is familiar.
d. carries meaning for the observer.
a
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Research studies on first intercourse experiences are thorough and may be easily interpreted
a. True b. False Indicate whether the statement is true or false
What is the synaptic cleft?
a. the gap between the presynaptic neuron and the postsynaptic neuron b. a packet that stores neurotransmitter molecules for release c. a subthreshold depolarization mechanism d. the long-term storage location for calcium ions
Valium and Xanax are:
a. benzodiazepines b. lithium salts c. tricyclics d. neuromodulators
Suppose a researcher is performing an experiment on children. She tests the children on one level of the independent variable at the beginning of the school year, but cannot return to test the second level until mid-April, when the school year is almost completed. What threat to internal validity may be a problem?
a. History b. Selection bias c. Maturation d. Experimenter bias