In a study on the effects of amount of sleep on driving performance, researchers predict that those in the group that is allowed more sleep will exhibit better driving performance. The researchers are using a _____ hypothesis
a. two-tailed
b. directional
c. one-tailed
d. one-tailed and directional
d
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Remembering a list of twenty-eight ingredients that you need to cook a special meal can be done without writing them all down. One way to accomplish this would be to chunk the ingredients into four categories of seven meaningfully related items. This process of chunking requires the operation of ____.?
a. ?short-term memory only b. ?long-term memory only c. ?short-term and long-term memory d. ?working memory and short-term memory
The primary function of an axoaxonic synapse is to ______.
A. block the opening of sodium ion channels during an EPSP B. modulate the amount of transmitter released from the axon terminals C. block the opening of potassium ion channels during an IPSP D. modify the synthesis of presynaptic neurotransmitters
Who conducted the investigation of Abu Ghraib?
A. Antonia Taguba B. Edward Snowden C. Alberto Mora D. John McCain
In an experiment, the "measurable aspect of the behavior of the subject" is called the __________ variable
a. dependent b. focal c. independent d. control