You Are Seated in a Bus and Notice That a Hand

question 6

Multiple Choice

You are seated in a bus and notice that a hand strap that is hanging from the ceiling hangs away from the vertical in the backward direction.From this observation,you can conclude that

• A) the velocity of the bus is forward.
• B) the velocity of the bus is backward.
• C) You cannot conclude anything about the direction of the velocity of the bus.

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Definitions:

Factorial Design

An experimental setup that allows researchers to study the effects of two or more independent variables simultaneously on a dependent variable.

Main Effect

In statistical analysis, the direct impact of an independent variable on a dependent variable.

Interaction Effect

Occurs when the effect of one independent variable on the dependent variable differs depending on the level of another independent variable.

Scientific Inquiry

The diverse ways in which scientists study the natural world and propose explanations based on evidence gathered.