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1. What are the steps in the procedure; for example:_ random assignment of subjects to groups;_ collection of demographic information;_ administration of pre-test;_ administration of treatment(s); and_ administration of post-test?
2. What are potential threats to internal and external validity for the experimental design and procedure? How will they be addressed?
3. Will a pilot test of the experiment be conducted?
4. What statistics will be used to analyse the data (e.g., descriptive and multivariate)?
When rebuilding her car's engine, a physics major must exert 250 N of force to insert a dry steel piston into a steel cylinder at a constant velocity. What is the normal force between the piston and cylinder
Suppose you see two main-sequence stars of the same spectral type. Star 1 is dimmer in apparent brightness than Star 2 by a factor of 100. What can you conclude? (Overlook any effects that might be caused by interstellar dust and gas.)
Calculate the kinetic energies of two uniform solid cylinders, each rotating about its central axis. They have the same mass, 2.75 kg
Assume that a 16.5 m/s wind is blowing across the roof of your house. The density of air is 1.29 kg/m3. Conclude the reduction in pressure (below atmospheric pressure of stationary air) that accompanies this wind.
A rifle is used to shoot two bullets at a target, using identical cartridges. What is the distance between the two bullets
a person sees clearly wearing eyeglasses that have a power of -5.00 diopters when the lenses are 1.65 cm in front of
A bag of sugar weighs 5.00 lb on Earth. What would it weigh in newtons on the Moon, Where the free-fall acceleration is one-sixth that on Earth
A rock is thrown upward from the level ground in such a way that the maximum height of its flight is equal to its horizontal range R. At what angle is the rock thrown
a spaceshipmo 10000 kg amp lo 42m is observed to be 42.2m long while traveling towards earth determine the speed of
A square plate of copper with 55.0 cm sides has no net charge and is placed in a region of uniform electric field of 83.0 kN/C directed perpendicularly to the plate. Find the charge density of each face of the plate
I put a material on top of it, and it only took one rotation--or crank--to knock the material off from the machine and onto the ground.
An electron moving in the positive x direction experiences a magnetic force in the positive z direction. If Bx=0, then what is the direction of the magnetic field? I got the positive y direction, but the answer is the negative y direction, why is ..
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