Subjects are shown a picture of a hand on a door, and when they recall the picture, they add a ...

Subjects are shown a picture of a hand on a door, and when they recall the picture, they add a doorknob that was not shown in the picture. This situation illustrates which property of the visuo-spatial sketch pad?
 
  a) Boundary extensio
 b) Representational momentum
 c) Embodied cognition
 d) Tactile feedback

Question 2

If students who are enrolled in a psychology course are given the option to participate in research (or an alternative) for course credit, what are the obligations of the course instructor?

Question 3

Multiple studies have documented that as one's amount of time spent in a sedentary state increases, the likelihood of obesity increases. This is an example of a(n)
 
  a) positive correlation
 b) negative correlation.
 c) zero correlation.
 d) ex post facto study.

Question 4

An experiment in which the researcher does not know which treatment the participants receive is an example of
 
  a) a single-blind experiment
 b) a double-blind experiment.
 c) the good participant effect.
 d) the Rosenthal effect.