R: Infant habituation data

Habituationdata {mixtools} | R Documentation

## Infant habituation data

### Description

From Thomas et al (2011):

"Habituation is a standard method of studying infant behaviors. Indeed, much of what is known about infant memory and perception rests on habituation methods. Six-month infants (n = 51) were habituated to a checker-board pattern on two occasions, one week apart. On each occasion, the infant was presented with the checkerboard pattern and the length of time the infant viewed the pattern before disengaging was recorded; this denoted the end of a trial. After disengagement, another trial was presented. The procedure was implemented for eleven trials. The conventional index of habituation performance is the summed observed fixation to the checkerboard pattern over the eleven trials. Thus, an index of reliability focuses on how these fixation times, in seconds, on the two assessment occasions correlate: r = .29."

### Usage

    data(Habituationdata)

### Format

A data frame with two variables, `m1` and `m2`, and 51 cases. The two variables are the summed observations times for the two occasions described above.

### Author(s)

Hoben Thomas

### Source

Original source: Thomas et al. (2011). See references section.

### References

Thomas, H., Lohaus, A., and Domsch, H. (2011), Extensions of Reliability Theory, in Nonparametric Statistics and Mixture Models: A Festschrift in Honor of Thomas Hettmansperger (Singapore: World Scientific), pp. 309-316.

[Package mixtools version 1.2.0 Index]