Which of the following behaviors is characteristic of infants in Piaget's sensorimotor Substage 2?
A) a baby who drops toys down the steps in varying ways
B) a baby who accidentally makes a smacking noise while eating and later tries to reproduce the sound
C) a baby who can push aside a cover to retrieve a hidden toy
D) a baby who accidentally hits a toy hung in front of her and then tries to repeat this effect
B
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More than 125 years ago, the Dutch physiologist F. C. Donders devised a new method to study the "speed of mental processes."
Describe the rationale on which this method was based, then compare the use of this method to the techniques that psychologists are currently using to study mental processes, including the use of reaction time and mental processes. What will be an ideal response?
Which of the following statements regarding the Institutional Review Board is not true?
A) The primary role of the IRB is to ensure researcher compliance with federal regulations regarding the protection of human research participants. B) IRB oversight for institutional research is required at any institution that receives federal funding. C) To protect the rights of researchers, the IRB membership is solely comprised of researchers. D) There are government restrictions and regulations regarding IRB membership.