For each of the following hypotheses, identify the Independent and Dependent variables as well as the appropriate statistic to test the hypothesis.
1.Researchers predict that boys have better motor skills than girls. Children in 2nd, 3rd, and 4th grades at a local elementary school were measured on motor skills with a task and given a score.
IV: Boy and Girls?
2.Psychologists expect that age is related to empathy. That is, the older the individual the higher their empathic scores on the Empathy Scale. Participants were recruited from senior homes, colleges, community centers, and public libraries and asked to fill out a demographic questionnaire and the Empathy Scale.
DV: Empathic score?
DV: Empathy scores?
3.Scientists investigated whether individuals of various racial identities would perceive prosocial behaviors differently. College students of various races (Latino/Hispanic, Caucasian/European American, Asian/Pacific Islander, and African American/Black) completed a demographic questionnaire and a measure of prosocial attitudes.
IV: Various Racial Identities?
DV: Measure of Prosocial Attitudes?
4.Students wanted to examine whether being affiliated with a particular political party would influence their decision to vote or not vote.