Answer:this is what I remember
Explanation: the upper class is wealthy middle is people who have average jobs and money and working class is people who are forced to work
sorry if I got it wrong that’s what I remember
Answer:
Ecological validity
Explanation:
Ecological validity is define as the way in which the findings of a research study are able to be generalized to real life settings.
Owens et al. (2011) manipulating texting while driving conditions (i.e., driving with no texting, driving while texting on a personal phone, driving while texting using an in-vehicle texting system) to see if this influenced visual and steering behaviors of drivers. Participants completed the task by texting the researcher on a closed course. The testing conditions serves as the ecological validity in which the researchers use his finding to generalize it to a real life setting thereby using it to predict the behaviour of the participants in real world settings.
There was no uniform currency, states had too much power national government had nothing. there was no military/protection other than what the states could afford themselves. there were no taxes so funding was hard.