Anna's students were not able to replicate the results of her published findings. in this scenario, anna has most likely committed the act of <u> observational </u><u>research</u><u>.</u>
An observational study draws from a sample of a population where the independent variable is not controlled because of ethical reasons and personal interference and sometimes constraints. The researcher therefore observes the population of choice without manipulation or interference.
A designed experiment is under controlled conditions, in which the researcher manipulates variables to determine a output and it constantly inputting things to improves the final result. Designed experiment is always under controlled environments with many things being anticipated or calculated.
Learn more about research
brainly.com/question/968894
#SPJ4
Answer:Homework has affected my mental health by steals all the attention, spare time, it also causes my to be stress out and depressed.
Explanation:
Its a spaceship, right? one of those to easy its hard questions.
Answer:
D. Harvard "Tastes, Ties, and Time (t-3)" study (2006-2009)" study
Explanation:
In 2006, Harvard conduct a (t-3) study that gains popularity. It was a Face-book study that plays with your emotions. This study doesn't share the mood manipulation which unsettled many of the users. It is a good example of social data is always murky and study themselves is completely creepy. In this study, the researcher collects the data without informed consent of objects throughout the data verse network.
Answer: $4.00
Explanation: It would cost Student 1 a total of $17 and for student 2 it would cost $21.
Just subtract 17 from 21 and u get ur answer :)
