Question

Indicate whether each of the following studies is an experiment or an observational study. If it...

Indicate whether each of the following studies is an experiment or an observational study. If it is an experiment, identify the independent variable and note any possible confounding variables.

Investigators found that four year-old children who delayed eating one marshmal-low in order to eat two marshmallows later, scored higher than non-delayers on the Scholastic Aptitude Test (SAT) taken over a decade later.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Indicate whether each of the following studies is an experiment or an observational study. If it...
Indicate whether each of the following studies is an experiment or an observational study. If it is an experiment, identify the independent variable and note any possible confounding variables. An investigator wishes to test whether, when compared with recognized scientists, recognized artists tend to be born under different astrological signs.
Indicate whether each of the following studies is an experiment or an observational study. If it...
Indicate whether each of the following studies is an experiment or an observational study. If it is an experiment, identify the independent variable and note any possible confounding variables. To determine whether Graduate Record Exam (GRE) scores can be increased by cramming, an investigator allows college students to choose to participate in either a GRE test-taking workshop or a control (non-test-taking) workshop and then com-pares the GRE scores earned subsequently by the two groups of students.
Indicate whether each of the following studies is an experiment or an observational study. If it...
Indicate whether each of the following studies is an experiment or an observational study. If it is an experiment, identify the independent variable and note any possible confounding variables. A political scientist wishes to determine whether males and females differ with respect to their attitudes toward defense spending by the federal government. She asks each person if he or she thinks that the current level of defense spending should be increased, remain the same, or be decreased.
Indicate whether each of the following studies is an experiment or an observational study. If it...
Indicate whether each of the following studies is an experiment or an observational study. If it is an experiment, identify the independent variable and note any possible confounding variables. A psychologist uses chimpanzees to test the notion that more crowded living con-ditions trigger aggressive behavior. Chimps are placed, according to an impartial assignment rule, in cages with either one, several, or many other chimps. Subse-quently, during a standard observation period, each chimp is assigned a score based on its aggressive...
indicate whether the study described as an observational study or controlled experiment. ” people with diabetes...
indicate whether the study described as an observational study or controlled experiment. ” people with diabetes are at higher risk for certain cancers in those without the blood sugar diabetes, suggest a new study based on a telephone survey of nearly 400,000 adults.”
read the following descriptions of hypothetical studies. Explain whether each is an experiment, non-experiment, or quasi-experiment...
read the following descriptions of hypothetical studies. Explain whether each is an experiment, non-experiment, or quasi-experiment and state why for identifying, and for explanation). 1. A coach at a high school wants to examine if reduced practice for athletes caused higher grades. She puts all of the athletes with low grades into the experimental group and reduces their practice time from 2 hours to 1 hour. She puts all of the high-achieving athletes in the control group and keeps their...
For each of the following studies (#1-7) indicate the research method used. Choose from the following:...
For each of the following studies (#1-7) indicate the research method used. Choose from the following: naturalistic observation, correlational study, experiment 1. Latane and Bidwell (1977) observed college students entering the cafeteria and eating. Among other things, the researchers found that students were likely to be in the presence of another person when entering the cafeteria or when sitting in the cafeteria. 2. According to Berk (1996) there is a relationship between age and amount of laughter; as age increases,...
For each of the studies, please indicate the following: 1)Independent variable True/Quasi?                       2)Is there more than...
For each of the studies, please indicate the following: 1)Independent variable True/Quasi?                       2)Is there more than one IV?                                    3) The levels of the independent variable                 4) Dependent variable     5) the level of measurement (NOIR) of the DV 6) Between (BS) or within-subjects (WS)? 7) What type of design is being used? 8) What is the appropriate statistic? (for correlation list all variables) Study 12: A researcher is interested in the relationship between socio-economic status and domestic violence. She believes that...
Please review each of the following studies to identify the type of study design and address...
Please review each of the following studies to identify the type of study design and address each of the following criteria per a study: 1. Unit of observation (individual or group) 2. Initial classification of subjects (disease or exposure status) 3. Disease(s)/Outcome(s) 4. Exposure(s) 5. Directionality of exposure measurement (RF(Exp)->D or D->RF(Exp)) RF = Risk Factor Exp = Exposure D = Disease 6. Number of observations (# times collected data from subject) (1 or >1) 7. Definition of controls (if...
8.Study Type: For each of the following situations state whether the research is an observational study...
8.Study Type: For each of the following situations state whether the research is an observational study or a designed experiment. Explain your reasoning for your answer. A) Recall Problem #3, in Grand Haven, Michigan, the speed limit on Mercury Drive is 45 mph. Residents with a driveway leading out to the road often complain that traffic tends to exceed 45 mph. A traffic engineer installs a device that records the speed of each car that passes a certain point on...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT