Why did the mass media market develop after World War II? The government used military technology to encourage it.

The government passed a law creating it.

People had money to spend on entertainment.

People had free time since they did not return to their old jobs.

Apsychologist has developed a series of personality inventories and wants to determine if they are valid. one of the scales measures perfectionism, so he asks a colleague for advice on how to establish the validity of this scale. the colleague tells him that if he were to find a sample of people with personality disorder, these people would obtain high scores on a scale that measures perfectionism.

Whether or not a given study has the possibility of causing harm to participants:

What would be the most relevant question to ask to find out why tutankhamen died? what was tutankhamen’s age when he died? was a doctor with tutankhamen at his death? why was tutankhamen mummified after his death? did tutankhamen’s body have evidence of disease?