Mama dolphins sings to their babies in the womb

What makes the just-world hypothesis psychologically appealing to the average person? a. many people develop skewed perceptions based on their worst experiences with the poor, which makes it hard for them to see things objectively. b. it is supported by a wealth of empirical data. c. most people’s everyday experiences teach them that society tends to distribute rewards and punishments fairly. d. most people have a strong need to believe that the world is orderly, predictable, and fair.

Afull irb committee meeting is convened and one agenda item is a new research proposal to evaluate how mothers interact with their learning-disabled child. the inclusion criteria require the children to be a minimum of five years of age. the protocol requires the mother of the child to look at the child without any expression and not to talk to the child for three minutes. the committee determined that the mother's required task may upset the child. the irb approved the study with appropriate language in the parental permission form regarding the possibility that children might become upset. after the start of the study, the principal investigator reports to the irb that, as expected, one of the children became upset. the incident was handled according to the protocol and the child is fine. what should the irb do with regard to this report?

What is it called when countries build lots of weapons to store and them in case of a war?