Aself-selected study is a source of bias in which factor of statistical analysis

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.

How would having more railroad tracks be advantageous during a war

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.