More cards in this set

Card 16

Front

Judd and Alexander (1983)

Back

Preview of the front of card 16

Card 17

Front

DeBacker et al (2007)

Back

Preview of the front of card 17

Card 18

Front

Dunbar (1997)

Back

Preview of the front of card 18

Card 19

Front

Fieldman (2008)

Back

Preview of the front of card 19

Card 20

Front

McCutcheon et al (2002)

Back

Preview of the front of card 20

Card 21

Front

Gabriel (2008)

Back

Preview of the front of card 21

Card 22

Front

Kienlen et al (1997)

Back

Preview of the front of card 22

Card 23

Front

Mullen (2008)

Back

Preview of the front of card 23