Final answer:
In your experiment on the effect of room temperature on puzzle-solving frustration, the independent variable is the temperature condition (constant 70 degrees vs fluctuating between 60 degrees and 80 degrees), and the dependent variable is the level of frustration measured.
Step-by-step explanation:
An experiment is a type of scientific investigation that is conducted under controlled conditions and often includes manipulating one variable to see how it affects another variable. The independent variable is the one that is controlled or manipulated by the researcher, while the dependent variable is what the researcher measures to see how much effect the independent variable has. In your experiment that measures the level of frustration among individuals trying to solve a puzzle in fluctuating temperatures, the independent variable is the temperature of the room. The two different conditions are a room with a constant temperature of 70 degrees and another room where the temperature fluctuates between 60 degrees and 80 degrees every three minutes. The dependent variable is the level of frustration experienced by the individuals as they are trying to solve the puzzle. Example of Identifying Variables in an Experiment. In the example where a scientist grew bacteria on gel and wanted to find out which type would grow bacteria faster, gel A or gel B, the independent variable is the type of gel used. The dependent variable is the number of bacteria present after 24 hours. This illustrates how different types of gel (independent variable) influence the growth of bacteria (dependent variable).