In an attempt to determine whether noise interferes with performance, Marc randomly assigns participants to take a math test either while listening to loud music or in silence. In this study, the presence of absence of noise would be considered the:
a. independent variable
b. subject variable
c. dependent variable
d. random variable
Question 2
Which of the following statements about random assignment is NOT true:
a. Random assignment is important for inferring cause and effect.
b. Random assignment ensures that participants have an equal chance of being assigned to any group in the experiment.
c. Random assignment is most relevant for ensuring external validity.
d. Random assignment ensures that each group contains the same type of participants.
Which do you think is most at work in a debate contest, mastery- or performance-goal orientations or ...
Age-related changes in crystallized and fluid tasks. Performance on tests of fluid abilities peaked ...
The air flowing into the engine can be directed through long or short runners for best performance ...
Determine exact value of tan2x,sin2x, and cos2x
If P(θ) = (√3 /2, -1/ 2), determine the coordinates of P (θ + 90 °) using the unit circle
How to calculate the DRT to determine which is more effective against the pathogen