Can someone answer this Liberty Kids 128 Summary

An experimenter is examining the relationship between age and self-disclosure. a large sample of participants that are 25 to 35 years old and participants that are 65 to 75 years old are compared, and significant differences are found with younger participants disclosing much more than older people. the researcher reports an effect size of .34. what does this mean

Which statement defines personality

The platt amendment was a treaty that allowed the united states to build military bases in which country?