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1. How many subjects will be in the experimental and control groups?
2. What is the dependent variable in the study? How will it be measured? How many times will it be measured?
3. What is the treatment condition(s) - that is, the independent variables or factors- in the study? How was it operationalized ?
4. Will variables be co-varied in the experiment? How will they be measured?
5. What experimental research design will be used? What would a visual model of the design look like?
6. What instruments will be used to measure the outcome - that is, the dependent variable - in the study? Why was it chosen? Who developed it? Does it have established validity and reliability? Has permission been sought to use it?
A man is nearsighted and cannot see things clearly beyond 110from his eyes. What is the focal length of the contact lenses that will enable him to see very distant objects clearly
The 160-mm-radius brake drum is attached to a larger flywheel that is not shown. The total mass moment of inertia of the drum and the flywheel is 18 kg · m2 and the coefficient of kinetic friction between the drum and the brake shoe is 0.35.
Two neutrons are in an infinite square well with L=2.0 fm. What is the minimum total energy that the system can have? (Neutrons, like electrons, have antisymmetric wave functions. Ignore spin.)
Two 68 g ice cubes are dropped into 234 g of water in a thermally insulated container. If the water is initially at25°C, and the ice comes directly from a freezer at -15°C, what is the final temperature at thermal equilibrium?
A cylindrical container 1.6 m tall contains mercury to a certain depth d. The rest of the cylinder is filled with water. If the pressure at the bottom of cylinder is two atmospheres, what is the depth d.
Olaf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, New York; there is negligible friction between his feet and the ice. what is his speed after the collision
Describe in words how you would go about calculating the work done by the electric field on the electron as it travels along its trajectory.
A horizontal compass is place 25 cm due south from a straight vertical wire carrying a 17A current downward. In what direction does the needle point at this location? assume the horizontal component of the Earth's field at this point is 45uT. Solve u..
Two planets are orbiting a star in a distant galaxy. The first hasa semimajor axis of 150 × 106 km, an eccentricity of 0.20,and a period of 1.0 Earth years. The second has a semi major axis of 250 × 106 km, an eccentricity of 0.30, and a period of..
A volleyball is spiked so that it has an initial velocity of 16.5 m/s directed downward at an angle of 53.1 ° below the horizontal. determine the horizontal component of the ball's velocity
A projectile is launched from ground level to the top of a cliff which is 195m away and 155 m high, find the initial velocity of the projectile
A 0.50-?F and a 1.4-?F capacitor (C1 and C2, respectively) are connected in series to a 14-V battery. Calculate the charge on each capasitor assuming the two capacitors are in parallel
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