Table 2 Statistical analysis of self-administration data: IIa. Session effect, 15 μg/kg/inf nicotine.

From: Social learning promotes nicotine self-administration by facilitating the extinction of conditioned aversion in isogenic strains of rats

Strains

n

Df

Infusion

Active spout

Inactive spout

F

p

F

p

F

p

BN

5

(9,36)

5.3

<0.001

5.3

<0.001

2.4

<0.05

DA

6

(9,45)

6.8

<0.001

5.9

<0.001

0.9

>0.05

F344

8

(9,63)

0.9

>0.05

0.7

>0.05

0.7

>0.05

LEW

6

(9,45)

12.4

<0.001

10.3

<0.001

1.7

>0.05

SHR

7

(9,54)

0.7

> 0.05

0.6

>0.05

0.8

>0.05

WKY

5

(9,36)

2.0

>0.05

1.8

>0.05

1.2

>0.05

FD

6

(9,45)

2.1

<0.05

2.4

<0.05

0.7

>0.05

FL

7

(9,54)

1.6

>0.05

1.9

>0.05

1.2

>0.05

FS

7

(9,54)

3.8

<0.001

1.7

>0.05

2.7

<0.05

LB

6

(9,45)

3.1

<0.01

2.7

<0.05

1.2

>0.05

LS

5

(9,54)

2.1

<0.05

2.1

<0.05

1.4

<0.05

WL

5

(9,54)

5.8

<0.001

6.3

<0.001

1.0

>0.05

  1. Two-way repeated measures ANOVA was used to analyze the effect of session of the number of nicotine infusions and licks on the active or the inactive spout.
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