Cha Am Day 1 2024

What is stratified sampling?

• Stratified sampling is a technique where the sites are divided into categories or a theory is being tested.

• Stratified sampling means randomly selecting individuals without any grouping.
• Stratified sampling is a method where only one group is sampled from the population.
• Stratified sampling involves selecting a single sample from the entire population.

What is systematic sampling?

• Systematic sampling involves random selection of samples from a population.
• Systematic sampling is a method of selecting samples based on personal judgment.
• Systematic sampling requires the use of complex statistical formulas to select samples.
• Systematic sampling is a method of selecting samples at regular intervals.

What is random sampling?

• Random sampling is a method of selecting where each individual has an equal chance of being selected.

• Random sampling is a technique that guarantees the selection of the best individuals from a population.
• Random sampling involves choosing individuals based on their characteristics rather than randomly.
• Random sampling is a method where only a few individuals are selected from a population without any chance involved.

What is this piece of equipment?

• Cal

• Calliper

• California

• Calibration

What is this used for?

• measure gradient

• measure rock type

• measure gravity

• measure velocity

What would you use this to measure?

• longshore drift

• wave type

• velocity

• gradient

Which sampling strategy would you use to test ... 'Tourist impact declines with distance from the beach'

• Systematic

• Stratified

• Random

Which sampling strategy would you use to test the Burgess Model?

• Systematic

• Random

• Stratified

• Mix of 2

Why is time important for collecting data on a beach?

• reduce risk of high tide

• risk of sun stroke

• number of tourist present

• seasonal changes in beach profile

What is the best way overcome bias in an environmental survey?

• Ask AI

• Ask the public

• Discuss as a group

• Have one person do it