Question

what is the observational experimental units?

what is the observational experimental units?

Homework Answers

Answer #1

The smallest division of the experimental material such that any two experimental units can receive different treatments”. It is the unit of randomisation and of statistical analysis when comparing groups.The observational units are what you take measurements on. In many experiments they are the same as the experimental units.

An observation unit, sometimes also called statistical unit, is the entity on which information is received and statistics are compiled in the process of collecting statistical data.

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Identify whether the study design is experimental or observational. Support with examples.
Identify whether the study design is experimental or observational. Support with examples.
Present the differences between observational and experimental study designs in relation to the who, where, when...
Present the differences between observational and experimental study designs in relation to the who, where, when and how questions
For each of the following state whether the data are observational or experimental (a) Data on...
For each of the following state whether the data are observational or experimental (a) Data on earnings for individuals some of whom chose to participate in a training program and some who did not. (b) Data on earnings for individuals some of whom were randomly assigned to a training program and some who were not. (c) Data on school outcomes for charter schools and for traditional schools.
11) a. In a designed​ experiment, what are the experimental​ units? b. If the experimental units...
11) a. In a designed​ experiment, what are the experimental​ units? b. If the experimental units are​ humans, what term is often used in place of experimental​ unit? a. Choose the correct answer below. A. The group receiving placebo B. The group receiving the specified treatment C. The individuals or items on which the experiment is performed D. The experimental conditions 12) In a designed​ experiment, there is one factor with four levels. How many treatments are​ there? Choose the...
determine whether the study is experimental or observational study and then identify the major problem the...
determine whether the study is experimental or observational study and then identify the major problem the study a psychologist has created a brief survey to be given to 2000 of thoughts randomly selected from the US population here are her first two questions one have you ever been a victim of a felony crime and to have you ever been convicted of a felony what is the major problem with the study
Discuss the differences between experimental studies and observational studies and how confounding variables can influence the...
Discuss the differences between experimental studies and observational studies and how confounding variables can influence the results. Give an example of each. Remember to have at least one thoughtful comment on other answers.
Q1: Briefly explain if the situation describes an observational or experimental study: a. A researcher stood...
Q1: Briefly explain if the situation describes an observational or experimental study: a. A researcher stood at a busy intersection to see if the color of the automobile that a person drives is related to running red lights. Q2: A researcher wishes to run an experiment using 40 right-handed people to determine if applying an ointment on the dominant hand promotes healing of skin condition: a. Describe the experiment if we use a randomized comparative design. b. Describe the experiment...
5. Classify each description as observational or experimental (a)Participants in a study to determine the effects...
5. Classify each description as observational or experimental (a)Participants in a study to determine the effects of a weight loss medication are randomly divided into a group receiving the treatment and a group receiving a placebo. (b) A poll is conducted in which 1000 registered voters are randomly selected from Florida. The voters are asked if they approve of the governor’s stance on environmental issues. (c) A cancer study began by surveying men between the ages of 35 and 55...
Consider all of the countries in the world as the observational units in a study and...
Consider all of the countries in the world as the observational units in a study and answer the following questions. Which of the following are QUANTITATIVE VARIABLES that could be recorded on these countries? 1.college education 2. ethnicity 3.employment 4.income levels 5.median age 6.population Which of the following are CATEGORICAL variables that could be recorded on these countries? 1.education level 2. ethnicity 3.employment 4.income levels 5.median age 6.population
In a completely randomized experimental design, 6 experimental units were used for each of the 4...
In a completely randomized experimental design, 6 experimental units were used for each of the 4 levels of the factor (i.e., 4 treatments): Source of Variation Sum of Squares Degrees of Freedom Mean Square Between Treatments 2434220 3 811406.7 Error (Within Treatments) 3883910 20 194195.5 Total 6318130 23 1.    What is the null and alternative hypothesis for this ANOVA test? 2.   Calculate the F test statistic. 3.   What is the rejection rule for the F test at the 0.05 level of significance? 4.   What...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT
Active Questions
  • How can you use Bayes’ theorem in light of new information? In Bayes’ theorem, how does...
    asked 2 minutes ago
  • Which of the following is not one of the four states of a working file? Unchanged,...
    asked 4 minutes ago
  • Assume we have CPU instructions that look like this: load register, address save register, address Where...
    asked 18 minutes ago
  • What is the difference between the following two declarations? char array[] = “Hello World”; char *array...
    asked 33 minutes ago
  • Discuss knowledge and understanding gleaned from The Least Dangerous Assumption and Strategies for Presuming Competence. How...
    asked 34 minutes ago
  • Exercise 13-20 (LO13-3) The owner of Maumee Ford-Volvo wants to study the relationship between the age...
    asked 36 minutes ago
  • Scenario The Department of Administrative Services (DAS) provides a number of services to other departments in...
    asked 44 minutes ago
  • Linear Regressions The number of newly reported crime cases in a county in New York State...
    asked 48 minutes ago
  • Specialty courts have been developed for various categories of crimes and offenders (e.g., mental health, substance...
    asked 53 minutes ago
  • An air-track cart with mass m=0.40kg and speed v0=1.2m/s approaches two other carts that are at...
    asked 53 minutes ago
  • Write a program in C# that reverses a collection and removes elements that are divisible by...
    asked 56 minutes ago
  • A gas pipeline with the thickness of 4mm is to be joint together by using welding...
    asked 1 hour ago