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A researcher computed a correlation between height (mean = 62 inches, standard deviation =12) and weight (mean = 160 pounds, standard deviation =10) to be 0.5 (r=0.5).  Calculate the covariance between height and weight. 

Which of the following is NOT a key principle in the ethical practice of behavior analysis?

What type of hypothesis is the following: VO2 Max is related to Running speed.

If the population from which you are randomly selecting your sample is large (vs. small) what effect will a large population standard deviation have on the standard error of the mean (sampling error)?

Behavior analysts are required to obtain informed consent from clients before implementing a behavior plan. What does this ensure?

In a distribution of scores what is the difference between Q3 and Q1 referred to?

Define what is a confounding variable.

If sleep quality was measured using an actigraphy and the reliability of the instrument was .001, what would be your evaluation of the reliability of the actigraphy?

What effect will increasing the sample size have on statistical power?

If you were correlating age and physical activity, for which group would the correlation between age and physical activity be the strongest correlation?           Group A                                                                   Group B