In scientific investigations, researchers must clearly define the variables under study by precisely describing how they will be measured or controlled. These definitions are referred to as
a. objective definitions.
b. precise definitions.
c. operational definitions.
d. dictionary definitions.
C
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Manuel is a psychologist employed by the human relations department of a car manufacturer. He helps select job applicants and also helps to improve workplace conditions and work relationships so that the company can operate effectively. Manuel is most likely a(n) __________ psychologist
a. personality b. forensic c. educational d. industrial-organizational
The ________ __________ is the minimum amount of stimulation needed to produce a sensation
a. absolute threshold c. Weber's threshold b. difference threshold d. darkness threshold
Genetically:
a. handedness of the child is influenced by the handedness of the parents. b. handedness is entirely environmentally driven. c. 100 percent of people are born to be right-handed. d. 50 percent of people are born to become right- or left-handed.
If you have been waking up too early for several weeks, you are probably suffering from
a) insomnia. b) parasomnia. c) hypersomnia. d) reverse insomnia.