Welcome to Westonci.ca, the place where your questions are answered by a community of knowledgeable contributors. Our platform connects you with professionals ready to provide precise answers to all your questions in various areas of expertise. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.

Age and experiences are confounded while using the cross-sectional design. This means that which of the following cannot be determined?
a. Whether differences across groups are due to age, experience, or the experimental manipulation
b. Whether findings for cohort groups are due to their similar experiences or similar age
c. Whether differences across groups are due to differences in assignment to the treatment conditions
d. Whether findings are due to the fact that age and life experience tend to be correlated