Positive And Negatives Of Techniques

Question 1

What are the positives of random sampling

Answer 1

Reduces bias
Simple to carry out

Question 2

What are the negatives of random sampling

Answer 2

You may not sample areas where important changes occur

You need a large sample for it to be reliable- time consuming

Question 3

Positives of beach profiling

Answer 3

Shows spatial changes

Simple low cost equipment - easy to use

Question 4

Negatives of beach profiling

Answer 4

Can be affected by human error, using clinometer wrong

Limited coverage - only tells data for a single line/transect

Question 5

Positives of wave frequency count

Answer 5

Quick and relays

Minimal equipment

Question 6

Negatives of wave frequency account

Answer 6

Hard to tell when a wave breaks with double peaking water

Short time from- may not represent typical conditions