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Table 1 Hierarchy of study quality assessment based on sampling design

From: Evaluating the biological effectiveness of fully and partially protected marine areas

Sampling design

Spatial replication

Temporal replication

 
 

Treatment (MPA)

Control

Before

After

N oof studies

Beyond-BACI

multiple

multiple

multiple

multiple

1

 

multiple

multiple

once

multiple

1

BACI

one

one

multiple

multiple

3

 

one

one

once

once

1

After Control-Impact

multiple

multiple

-

multiple

7

 

multiple

multiple

-

once

5

 

multiple

one

-

multiple

4

 

multiple

one

-

once

2

 

one

multiple

-

once

1

 

one

one

-

multiple

18

 

one

one

-

once

14

Before-After

one

-

-

multiple

2

 

one

-

-

once

1

  1. Study quality in terms of sampling design decreases down the list.