A mother conducted an experiment to determine the effect of sugar consumption and time on electronic devices on her children's sleep times. Which of the following best describes the input and output variables for this situation?Group of answer choicesInput: her children's sleep times; Output: the children in the studyInput: the children in the study; Output: her children's sleep timesInput: the children in the study; Output: sugar consumption and time on electronic devicesInput: her children's sleep times; Output: sugar consumption and time on electronic devicesInput: sugar consumption and time on electronic devices; Output: her children's sleep times

From the options provided, which other variable can we rely upon most effectively to measure and indicate the biological process under investigation?Group of answer choicesO2 consumptionHeart rateH2O consumptionCO2 consumption

In a study to determine whether how long a student sleeps affects test scores, the independent variable is the length of time spent sleeping while the dependent variable is the test score.Group of answer choicesTrueFalse

A medical researcher is using rats to do an experimental test to determine the appropriate dosage for a new cancer drug.  Each rat will be given a different dosage of the drug. The oncologist will then measure the growth rate of the cancerous tumor. Which of the following best describes the input and output variables that will be used in this experiment?Group of answer choicesInput: growth rate of tumor; Output: dosage of drugInput: dosage of drug; Output: size of the ratInput: size of the rat; Output: dosage of drugInput: dosage of drug; Output: growth rate of tumorInput: size of the rat; Output: growth rate of tumor

Match each example to the correct type of variable.social media usageseconds spent on a taskdegrees Fahrenheitfearfitnessnumber of calories consumedoperational variableconceptual variable

The time a healthy adult spends in _____ sleep tends to _____ over the course of the night.Group of answer choicesN3; decreaseREM; decreaseN1; increaseSWS; increase