A researcher states the hypothesis that children will be more attentive when they are in a private (vs. a public) setting in the presence of a teacher (vs. a parent). Using a 2 × 2 design, what type of main effect could be predicted by the hypothesis?

When something is moving, it is in motion. pressing the gas pedal in a car will put the car in motion. two important properties of motion are speed and direction. speed is how fast an object is moving. tony and tanya both run for the same amount of time, in the same direction. tanya runs much further than tony in that time. how does tony's speed compare to tanya's speed? a) their speed is equal. b) tony is slower than tanya. c) tony is faster than tanya. d) without a stopwatch, you can't say for certain.

Researchers have found that it takes to view a mental image that is larger or covers more distance than a smaller or more compact one.

What does it mean to say that "service sector" jobs are predominant in europe's mixed economies today? a. that jobs where people work in factories predominate b. that jobs where people do something for others predominate c. that jobs where people work the land predominate d. that jobs in government predominate