In the James-Lange theory of emotion, the physiological arousal and behavioral response _____ the emotional feeling.

A double-blind procedure is necessary in an experiment in which there is a placebo group. True or false?

Mean, median, and mode are all equal because the ________________ distribution is ____________ about its center.

A ________ correlation refers to a correlation in which variables appear related only because they share a connection with other variable, not because one causes the other.  Fill in the blank with the appropriate word.

Three types of descriptive methods are observational techniques, case studies, and survey research. True or false?

In relation to sound, the pitch of a sound is determined by the frequency of a sound wave. True or false?

_______ perception describes the brain’s ability to perceive how far away objects are. To estimate distance, the visual system draws on a variety of information or cues. Fill in the blank with the appropriate word.

“A survey has pointed out a positive and significant correlation between the number of car accidents and wearing rain coats. It was assumed that rain coats could hinder movements of drivers and be the cause of accident.  A new law was prepared to prohibit drivers to wear rain coats when driving.” This study shows _______________.

_______ area is a region of the cerebral cortex responsible for fluent speech production. It is located in the left frontal lobe for most people, regardless of handedness. Fill in the bland with the appropriate word.

An extremely mild form of Botulinum poison is used in the Botox treatment for facial wrinkling, where the facial muscles are temporarily paralyzed thus smoothing them. The neurotransmitter implicated in this case is _____________.