# statistics

posted by .

In a research study with an effect size of .20, the populations of individuals have an overlap of about:

• statistics -

85%

• statistics -

25%

## Respond to this Question

 First Name School Subject Your Answer

## Similar Questions

1. ### statistics

A random sample of n=16 scores is obtained from a population with a mean of ยต= 80 and a treatment is administered to the sample. After treatment, the sample mean is found to be M=82. a)Assuming the sample contained n=16 individuals, …
2. ### statistics

In a statistical study, the sample is A. the entire group of individuals about which we want information B. the entire group of individuals from which we actually collect information C. the set of individuals who choose to respond …
3. ### Statistics

Cohen's conventions for the t test for independent means are approximately _____ for a small effect size, ____ for a medium effect size, and ______ for a large effect size?
4. ### Ecology

Menge and colleagues performed experiments in which they exposed some populations of mussels to sea stars and excluded sea stars from other mussel populations. Suppose that the sea star population consists of 20 individuals and the …
5. ### Biology

Menge and colleagues performed experiments in which they exposed some populations of mussels to sea stars and excluded sea stars from other mussel populations. Suppose that the sea star population consists of 20 individuals and the …
6. ### Statistics

#1- The normal distribution had a mean of 14 and standard deviation of 4. There were 30 people in the study group and the average was expected to be 16. The study was tested at the .05 level of significance. What was the power of the …
7. ### statistics

Approximately how many research participants would be required for 80% power for a study using the t test for dependent means (assume a one-tailed hypothesis with an expected medium effect size of .50):
8. ### STAT

Do you view a chocolate bar as delicious or as fattening?
9. ### Statistics

An analysis of variance was used to evaluate the mean differences from a repeated-measures research study. The results were reported as F(3,24)=6.40. a. How many treatment conditions were compared in the study?
10. ### Psychology

According to the APA, the ethics of informed consent requires that research participants must: A. know nothing about the research study B. enter the study with minimal knowledge of the risks C. be free to terminate their participation …

More Similar Questions