In our research sample we observe a relationship between var

In our research sample we observe a relationship between variables, this relationship may have been cause by:

Select one:

a. design flaws

b. rival hypotheses

c. sampling bias

d. all of the above

A statistically significant relationship between variables within a research sample is one in which

Select one:

a. the relationship must be a true one

b. the relationship cannot possibly have been caused by sampling error

c. the relationship cannot have been caused by research design flaws, sampling bias, or other variables

d. the mathematical probability that sampling error could have caused the relationship is very small

Solution

Answer is : C

Sampling bias

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Answer is: A

The relationship must be a true one