A social psychologist wanted to know: Do more women than men give money to street performers? To begin to test this idea, he went to a popular park where people often set out a tip jar and play their guitar for strangers. The social psychologist sat on a park bench across the walkway and watched a street performer for an hour. He marked down the gender of every person who stopped to listen and whether they put money in the tip jar. What is the independent variable and dependent variable?

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a. a researcher uses the customs office’s passenger lists for ships bringing immigrants to the us between 1820-1845 to track the numbers of immigrants from certain ethnic groups.b. a researcher conducts a linguistic study of comments posted on a local public blog.c. a developmental psychologist videotapes interactions between groups of toddlers and their care givers to determine which intervention methods most effectively manage aggression.d. a researcher asks the director of a local free clinic about the number of patients in the last two years with newly diagnosed hiv/aids.

Americans often refer to a country that is not the united states as a

At 3476 kilometer the moon's diameter is slightly less than the distance across from what