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Required Consent Procedures : Before we get started , let me assure you that your responses to these questions will be held in strict confidence , except as required by law . The variables available in TIMSS do not necessarily include those that researchers in participating countries would suggest are the most important predictors of achievement . RFCs will make every effort to adhere to a 24-hour ( in today-out tomorrow ) processing schedule for payments submitted on computer magnetic tape that does not include manual enclosures . Many disputes can be resolved at this level .