Table 1 Analysis of phonotaxis direction for a whine or chucks alone or in natural combination.

From: Relative comparisons of call parameters enable auditory grouping in frogs

Control stimuli

n

Mean angle (±95%)

Vector ( r)

Raleigh test ( P)

Chuck resp.

Non-chuck resp.

No resp.

Expect resp. ( P)

V-test ( P)

Two chucks (45°)

23

297° (180)

0.155

0.705

5

10

8

0.1289

 

Two chucks (180°)

21

140° (180)

0.196

0.592

1

13

7

0.3278

 

Whine

19

4° (9)

0.952

<0.0001

    

<0.0001

Whine-Chuck (0°)

18

358° (9)

0.946

<0.0001

    

<0.0001

  1. Columns are: the stimuli (with stimulus separation); number of females tested (n); mean (±95% confidence interval) exit angle; vector strength (r); Raleigh test for response different from random; number of responses (±10°) to a chuck; number of non-chuck responses; number of females exhibiting no response to chuck only stimuli; Fisher exact test comparing number of responses to chucks in the two chuck conditions to those when presented a single chuck27; V-test showing mean exit angles are localized at the position of the stimulus (0°).
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