Forty percent of the subjects dropped out of an experimental study looking at the effect of a job training program on employment for homeless women. Over 90% of the dropouts were single homeless women with at least two preschool children, while the majority of subjects successfully completing the program had no preschool children. What threat to internal validity could be present?

The development of simple stone tools by early hominids led to the ability to procure meat more efficiently. this in turn led to the change in diet that included larger amounts of protein. many scholars believe that this shift in diet was a significant part of how our ancient ancestors adapted so quickly to a varied set of environments, and thus were able to begin cultural development. this demonstrates the intimate connection between

The document asks about dependents because the number can affect who pays taxes. increase overall taxes. lower overall taxes. affect when to pay taxes.

Why would nations in latin america be part of a mostly arab cartel group known as opec? a) latin america refused to do business with countries that were not part of opec. eliminate b) natural resources such as oil are a major economic development for some latin american countries. c) latin america has a long history of distrust of the united states and fears a take-over of oil fields. d) latin american nations such as venezuela needed in getting natural resources to other parts of the world. 15