Front

Which variable is manipulated or changed by the researcher in an experiment?

Back

independent variable

Front

What is the independent variable in a study investigating the effect of temperature on plant growth?

Back

temperature

Front

In a study investigating the effect of exercise on heart rate, what is the dependent variable? Options: blood pressure, body temperature, heart rate, oxygen saturation

Back

heart rate

Front

In an experiment, the number of hours studied is varied to determine its effect on test scores. What is the independent variable?

Back

number of hours studied

Front

In a study examining the relationship between caffeine consumption and sleep quality, what is the dependent variable?

Back

sleep quality

Front

In a research study, the type of music played is manipulated to observe its impact on mood. What is the independent variable?

Back

type of music played

Front

In a study investigating the effect of fertilizer on plant growth, what is the dependent variable?

Back

plant growth

Front

In an experiment, the dosage of a medication is varied to determine its effect on pain relief. What is the independent variable?

Back

dosage of the medication

Front

In a study examining the relationship between study time and exam scores, what is the dependent variable?

Back

exam scores

Front

In a research study, the amount of sugar consumed is manipulated to observe its impact on energy levels. What is the independent variable?

Back

amount of sugar consumed