Variable Identification in Psychology

Questions and Answers

The dependent variable (DV) in the classical music relaxation study is the ______.

level of relaxation (heart rate)

The independent variable (IV) in the classical music relaxation study is ______.

classical music

The experimental group in the classical music relaxation study is the group that ______.

listens to classical music

The control group in the classical music relaxation study is the group that ______.

sits in a quiet room Signup and view all the answers

In Dr. Smith's maze study, the dependent variable (DV) is ______.

how long it takes to run the maze Signup and view all the answers

The independent variable (IV) in Dr. Smith's maze study is ______.

new drug Signup and view all the answers

The experimental group in Dr. Smith's maze study is the group that ______.

is given the drug Signup and view all the answers

The control group in Dr. Smith's maze study is the group that ______.

receives no drug Signup and view all the answers

In the sleep and aggression study, the dependent variable (DV) is ______.

level of aggression Signup and view all the answers

The independent variable (IV) in the sleep and aggression study is ______.

amount of sleep Signup and view all the answers

In the algae growth study, the dependent variable (DV) is ______.

algae growth Signup and view all the answers

The independent variable (IV) in the algae growth study is ______.

<h1>sacks fertilizer sold in stores</h1> Signup and view all the answers

In the fish stick compost study, the dependent variable (DV) is ______.

height of plants (cm) Signup and view all the answers

The independent variable (IV) in the fish stick compost study is ______.

fish stick compost Signup and view all the answers

In the running speed study, the dependent variable (DV) is ______.

time it takes to run a km Signup and view all the answers

The independent variable (IV) in the running speed study is ______.

amount of exercise you get Signup and view all the answers

In the lemon tree study, the dependent variable (DV) is ______.

lemon size Signup and view all the answers

The independent variable (IV) in the lemon tree study is ______.

amount of water given Signup and view all the answers

In the corn seed sprouting study, the dependent variable (DV) is ______.

seed sprout Signup and view all the answers

The independent variable (IV) in the corn seed sprouting study is ______.

temperature of air Signup and view all the answers

In the egg cooking study, the dependent variable (DV) is ______.

how fast an egg cooks Signup and view all the answers

The independent variable (IV) in the egg cooking study is ______.

temperature of water Signup and view all the answers

In the flight simulator study, the dependent variable (DV) is ______.

performance in simulator Signup and view all the answers

The independent variable (IV) in the flight simulator study is ______.

information given (visual or visual + auditory) Signup and view all the answers

In the chicken egg study, the dependent variable (DV) is ______.

<h1>eggs chickens lay</h1> Signup and view all the answers

The independent variable (IV) in the chicken egg study is ______.

lights on for different amounts of time Signup and view all the answers

Study Notes

Variable Identification in Experimental Scenarios

DV (Dependent Variable) represents the outcome being measured, while IV (Independent Variable) is the condition manipulated by the researcher.

Card 1: Music and Relaxation

DV: Level of relaxation (measured by heart rate)
IV: Exposure to classical music
Experimental Group: Participants listening to classical music for one hour
Control Group: Participants sitting quietly without music for one hour

Card 2: Drug Effects on Maze Performance

DV: Time taken to run the maze
IV: Administration of a new drug
Experimental Group: Older rats given the new drug
Control Group: Older rats not given the drug

Card 3: Sleep and Aggression

DV: Level of aggression
IV: Amount of sleep received
Experimental Groups: Participants with 3 hours or 6 hours of sleep
Control Group: Participants who can sleep as much as they want

Card 4: Fertilizer and Algae Growth

DV: Algae growth in lakes
IV: Number of sacks of phosphate fertilizer sold

Card 5: Fish Stick Compost and Plant Growth

DV: Height of plants (in cm)
IV: Age of fish stick compost
Experimental Groups: Compost aged for 3, 6, and 12 months
Control Group: No fish stick compost used
Constants: Same sunlight, water, and number of plants (25 per flat)

Card 6: Exercise and Running Time

DV: Time taken to run a kilometer
IV: Amount of exercise undertaken

Card 7: Water and Lemon Size

DV: Size of lemons
IV: Amount of water provided to lemon trees

Card 8: Temperature and Seed Sprouting

DV: Germination time of corn seeds
IV: Air temperature in which seeds are placed

Card 9: Cooking Time of Eggs

DV: Cooking speed of an egg
IV: Water temperature

Card 10: Flight Simulator Performance

DV: Performance rating in the flight simulator
IV: Type of information provided (visual or both visual and auditory)

Card 11: Light Exposure and Egg Production

DV: Number of eggs laid by chickens
IV: Duration of light exposure per day

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Description

This quiz focuses on identifying independent and dependent variables in a psychology experiment involving classical music and relaxation levels. Test your understanding of experimental and control groups through various scenarios.