Devine et al. are interested in assessing whether active versus passive play causes a preference for sweet or salty foods in toddlers. they assign groups of children to either an active play, passive play, or no play group and record their food choices when presented with a variety of sweet and salty foods. in this study, is the independent variable and is the control group.

Which is the best conclusion that can be drawn regarding the status of african-americans in the south in the late 1800s? a) african-americans made tremendous political, social, and economic advancements during the reconstruction era. b) passage of the 13th, 14th, and 15th amendments to the u. s. constitution guaranteed equal status and rights for all african-americans. c) the reconstruction policies enacted by the federal government were highly effective in african-american citizens transition to life after slavery. d) although african-americans had equal rights under federal law they were still economically, politically, and socially inferior to whites in the south during the reconstruction era.

1.how is germany's economic system similar to that of the united kingdom a. both are free-market economic b. both are command economic c. both are mixed economic d. both are traditional economic

According to the federal regulations, human subjects are living individuals about whom an investigator conducting research obtains information through interaction or intervention with the individual, and uses, studies, or analyzes the information; or: