A researcher studies the effectiveness of an early intervention program for a sample of underprivileged children. After 6 months in the program, the mean reading combrehension score of this sample of children is Sampling error is created when a Group of answer choices sample does not represent the population of interest very well sample is too large study does not have a well-defined dependent variable study does not have a well-defined independent variable To accurately interpret statistical results requires careful consideratic used to generate those results. Group of answer choices subjects researcher rationale methodology.