Topic 2 - Miller - The ‘six-pack’ Idea

Question 1

What did Miller say?

Answer 1

One way to avoid bias is to use what’s called a filler-control or ‘6-pack’ method

Question 2

What does the ‘six-pack’ method involves?

Answer 2

It involves comparing the evidence from the crime scene against a line from the suspect and 4 ‘fillers’. This should reduce bias as they don’t know which sample is from the suspect

Question 3

What was the aim?

Answer 3

To invest at the filler-control method

Question 4

What was the sample?

Answer 4

Sample of student hair analysts and then they were split into two groups

Question 5

What were the two groups?

Answer 5

One group used the standard method comparing the hair sample from the crime scene against 1 suspect hair sample side by side. A second group used the 6-pack method comparing against a line-up of 5 hair samples

Question 6

What were the findings?

Answer 6

Those using the 6-pack method made fewer false positive (3.8% vs 30.4%)