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Field Study Questions Investigates a relationship between an independent and a dependent variable.

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Presentation on theme: "Field Study Questions Investigates a relationship between an independent and a dependent variable."— Presentation transcript:

1 Field Study Questions Investigates a relationship between an independent and a dependent variable

2 DRY MIX If you get confused about the terms… DRY – Dependent and Responding Variable are the same – Always go on the Y-axis of a graph MIX – Manipulated and Independent Variable are the same – Always go on the X-axis of a graph

3 In each of the following questions: Identify - The Independent/Manipulated Variable The 3 conditions of the Independent/Manipulated Variable The Dependent/Responding Variable Tool used to measure the responding variable Controlled Variables 1.Ex. 2.Ex.

4 How does the salmonberry plant population vary by habitat? Identify - The Independent/Manipulated Variable The 3 conditions of the Independent/Manipulated Variable The Dependent/Responding Variable Tool used to measure the responding variable Controlled Variables 1.Ex. 2.Ex.

5 How does the salmonberry plant population vary by habitat? Identify - The Independent/Manipulated Variable Habitat The 3 conditions of the Independent/Manipulated Variable 1. Forest Edge 2. Stream Bank 3. Forest The Dependent/Responding Variable Tool used to measure the responding variable Controlled Variables 1.Ex. 2.Ex.

6 How does the salmonberry plant population vary by habitat? Identify - The Independent/Manipulated Variable Habitat The 3 conditions of the Independent/Manipulated Variable 1. Forest Edge 2. Stream Bank 3. Forest The Dependent/Responding Variable Salmonberry population Tool used to measure the responding variable 5x5 meter plot Controlled Variables 1.Ex. 2.Ex.

7 How does the salmonberry plant population vary by habitat? Identify - The Independent/Manipulated Variable Habitat The 3 conditions of the Independent/Manipulated Variable 1. Forest Edge 2. Stream Bank 3. Forest The Dependent/Responding Variable Salmonberry population Tool used to measure the responding variable 5x5 meter plot Controlled Variables 1.Ex. Same size plot used 2.Ex. Plot location is random within each habitat

8 What time of day do Canada Geese prefer to visit Thea Foss Waterway? Identify - The Independent/Manipulated Variable The 3 conditions of the Independent/Manipulated Variable The Dependent/Responding Variable Tool used to measure the responding variable Controlled Variables 1.Ex. 2.Ex.

9 What time of day do Canada Geese prefer to visit Thea Foss Waterway? Identify - The Independent/Manipulated Variable time of day The 3 conditions of the Independent/Manipulated Variable The Dependent/Responding Variable Tool used to measure the responding variable Controlled Variables 1.Ex. 2.Ex.

10 What time of day do Canada Geese prefer to visit Thea Foss Waterway? Identify - The Independent/Manipulated Variable time of day The 3 conditions of the Independent/Manipulated Variable The Dependent/Responding Variable # of Canada geese Tool used to measure the responding variable Controlled Variables 1.Ex. 2.Ex.

11 What time of day do Canada Geese prefer to visit Thea Foss Waterway? Identify - The Independent/Manipulated Variable time of day The 3 conditions of the Independent/Manipulated Variable The Dependent/Responding Variable # of Canada geese Tool used to measure the responding variable Controlled Variables 1.Ex. Observe the same location each time 2.Ex.

12 How does the height of vegetation affect the number of birds in Pugnetti Park? Identify - The Independent/Manipulated Variable The 3 conditions of the Independent/Manipulated Variable The Dependent/Responding Variable Tool used to measure the responding variable Controlled Variables 1.Ex. 2.Ex.

13 Do pillbugs (rolly pollys) like the cement better than soil? Identify - The Independent/Manipulated Variable The 3 conditions of the Independent/Manipulated Variable The Dependent/Responding Variable Tool used to measure the responding variable Controlled Variables 1.Ex. 2.Ex.

14 Do pillbugs (rolly pollys) like the cement better than soil? NOT A GOOD FIELD STUDY QUESTION The Independent/Manipulated Variable location The 3 conditions of the Independent/Manipulated Variable 1. cement 2. soil 3. ? The Dependent/Responding Variable ? Tool used to measure the responding variable Could be rephrased to say: How does the pillbug population vary by habitat?

15 How does the pillbug population vary by location? Identify - The Independent/Manipulated Variable The 3 conditions of the Independent/Manipulated Variable The Dependent/Responding Variable Tool used to measure the responding variable Controlled Variables 1.Ex. 2.Ex.

16 How do different seasons affect the number of crabs at Thea Foss? Identify - The Independent/Manipulated Variable The 3 conditions of the Independent/Manipulated Variable The Dependent/Responding Variable Tool used to measure the responding variable Controlled Variables 1.Ex. 2.Ex.

17 How do plants produce smell? Identify - The Independent/Manipulated Variable The 3 conditions of the Independent/Manipulated Variable The Dependent/Responding Variable Tool used to measure the responding variable Controlled Variables 1.Ex. 2.Ex.

18 …..a well-written PROCEDURE for a FIELD STUDY Includes logical steps to do the field study Identifies the Independent Variable and the 3 conditions to be compared Identifies the Dependent Variable and the data to be collected Describes the method for collecting data (with what tool) and indicates how often data should be collected and recorded Mentions the environmental conditions to be recorded

19 NEXT STEPS: Review the field study question you submitted yesterday. Re-write question if necessary Identify the independent variable and the 3 conditions Identify the dependent variable and the measuring tool Write a well-written PROCEDURE that reflects your well-written field study question


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