90.0k views
2 votes
Read the following excerpt and think about how you might troubleshoot. Write your answer.

Dr. Dove was interested in the effects of chocolate on well-being. She randomly assigned 20 participants to two groups. Both groups ate as they normally would, but one group was instructed to each eats a 1-ounce square of dark chocolate after both lunch and dinner. After the participants spent four weeks on this diet, Dr. Dove asked each one to complete a questionnaire measuring well-being (happiness, contentment). However, Dr. Dove was surprised to find that the chocolate had no effect: Both groups, on average, scored the same on the well-being measure. Help Dr. Dove troubleshoot her study. What should she do next time to improve her chances of finding a significant effect on the chocolate-enhanced diet?

1 Answer

6 votes

Answer:

the effect of the dark chocolate on the well being of the people is null

Dr dove can improve her chance next time by having one group eat chocolate while the other group focus on making her experiment accurate or Dr dove can have one group eat dark chocolate and the other group eat milk chocolate to test this experiment she do want to test out.

there is no reasonable or (not a big) difference between one once of chocolate. recommend need to change manipulation and if may change management. it is a null effect study

Step-by-step explanation: