Which of the following is an acceptable operational definition for an auditory threshold?
a. The lowest intensity of a sound, as measured in decibels, at which a participant always reports hearing the sound
b. The lowest intensity of a sound, as measured in decibels, at which every participant in an experiment reports hearing the sound
c. The lowest intensity of a sound, as measured in decibels, at which a participant reports hearing the sound 50 of the time
d. The lowest intensity of a sound, as measured in decibels, at which 50 of the participants report hearing the sound.
Question 2
Within-subjects designs are most useful when individual differences are ____.
a. large and there are many participants available
b. large and there are relatively few participants available
c. small and there are many participants available
d. small and there are relatively few participants available
An otoscope, used to visually examine the external auditory ear canal and tympanic membrane.
Operational Control
Very nice definition of time
Familial Risks for Multifactorial Threshold Traits
What is the definition of reticulate speciation?
A polygenic model for a threshold trait