Identifying Independent and Dependent Variables Flashcards
Effects of sunlight on plant growth
Independent variable: amount of sunlight
Dependent variable: plant growth (number of leaves, height, etc.)
Impact of fertilizer on crop yield
Independent variable: amount of fertilizer used
Dependent variable: crop yield (bushels per acre)
How different soil types affect water retention
Independent variable: type of soil
Dependent variable: amount of water retained
Impact of wildfire on soil erosion rates
Independent variable: Severity of wildfire
Dependent variable: rate of soil erosion
how temperature affects glacier melting rates
Independent variable: temperature
Dependent variable: glacier melting rate
Effect of water pH on fish health
Independent variable: pH level of water
Dependent variable: fish health (growth, survival rate, etc.)
impact of urbanization on groundwater levels
Independent variable: level of urbanization
Dependent variable: groundwater levels
how physical activity affects heart rate
Independent variable: type/intensity of physical activity
Dependent variable: heart rate
Effect of sleep on academic performance
Independent variable: hours of sleep
Dependent variable: test scores or GPA
Impact of mindfulness breathing on cortisol levels
Independent variable: practicing 4-7-8 breathing
Dependent variable: cortisol levels
How hydration affects endurance running performance
Independent variable: amount of water consumed
Dependent variable: running endurance (time/distance)
Effect of stretching on injury prevention
Independent variable: time spent stretching
Dependent variable: number of injuries
How minimum wage affects unemployment rates
Independent variable: minimum wave level
Dependent variable: unemployment rate
impact of social media usage on anxiety levels
Independent variable: hours spent on social media
Dependent variable: anxiety level
How wildfire frequency affects housing prices in California
Independent variable: number of wildfires per year
Dependent variable: average housing prices
Effect of online learning on student engagement
Independent variable: learning method (online vs. in-person)
Dependent variable: level of student engagement
How tax incentives influence electric vehicle purchases
Independent variable: amount of tax incentive
Dependent variable: number of electric vehicles sold
How caffeine affects reaction time
Independent variable: amount of caffeine consumed
Dependent variable: reaction time
Effect of background music on study efficiency
Independent variable: type of background music
Dependent variable: study efficiency (time taken to complete tasks, comprehension)
How different types of lighting affect sleep quality
Independent variable: type of light before bed (blue vs. warm)
Dependent variable: sleep quality
effect of video game difficulty on player frustration levels
Independent variable: difficult level of the game
Dependent variable: player frustration (measured by heart rate, self-reported frustration)
Impact of temperature on ice cream melting speed
Independent variable: temperature of the environment
Dependent variable: time it takes for ice cream to melt
