Si saco en voley la pelota toca la red tengo otro intento​

Researchers endeavoring to conduct an on-line study should consider that there are some potential risks of harm to subjects unique to internet based research. one if the risks is

Mrs. woods would like to see speed bumps installed along a road that passes through a retirement community. who should she talk to in order to have the problem addressed quickly? a) the town council b) the police chief c) her united states senator d) her congressional representative

Dr. laguardia is a cognitive neuroscientist who is interested in the effect of brain concussions on the ability to recognize faces. he conducts a quasi-experimental study in which he examines football players before and after the regular season using the benton facial recognition test (a published, widely used measure of one's ability to recognize faces) to compare those who received concussions to those who did not. he finds that players who had concussions during the regular season performed worse on the benton facial recognition test than did players who did not experience which of the following is true regarding external validity in dr. laguardia's study? a. because dr. laguardia selected participants who actually experienced concussions, the study b. because dr. laguardia's study is a quasi-experiment, it is impossible to obtain c. because dr. laguardia's dependent variable was assessed in the laboratory, the study d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.