The investigators will do an experiment where 9-12 month old infants are randomized to 30 minutes of block play or 30 minutes of watching a baby DVD.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Masking
DOUBLE
Enrollment
50
30 minutes of block play
30 minutes of dvd viewing
Seattle CHildrens Research Institute
Seattle, Washington, United States
salivary cortisol
Study will be assessing babies' neuroendocrine responses to play vs TV viewing. Salivary cortisol, as an indicator of neuroendocrine response, will be measured over time with the intervals as specified under time frame. For each time point, investigator will adjust for prior ones in a repeated measures analysis.
Time frame: Baseline
salivary cortisol
Study will be assessing babies' neuroendocrine responses to play vs TV viewing. Salivary cortisol, as an indicator of neuroendocrine response, will be measured over time with the intervals as specified under time frame. For each time point, investigator will adjust for prior ones in a repeated measures analysis
Time frame: 10 minutes post baseline
salivary cortisol
Study will be assessing babies' neuroendocrine responses to play vs TV viewing. Salivary cortisol, as an indicator of neuroendocrine response, will be measured over time with the intervals as specified under time frame. For each time point, investigator will adjust for prior ones in a repeated measures analysis
Time frame: 20 minutes post baseline
salivary cortisol
Study will be assessing babies' neuroendocrine responses to play vs TV viewing. Salivary cortisol, as an indicator of neuroendocrine response, will be measured over time with the intervals as specified under time frame. For each time point, investigator will adjust for prior ones in a repeated measures analysis
Time frame: 30 minutes post baseline
salivary cortisol
Study will be assessing babies' neuroendocrine responses to play vs TV viewing. Salivary cortisol, as an indicator of neuroendocrine response, will be measured over time with the intervals as specified under time frame. For each time point, investigator will adjust for prior ones in a repeated measures analysis
Time frame: 40 minutes post baseline
This platform is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.