If People Who Drop Out of Study Are Systematically Different

question 24

Multiple Choice

If people who drop out of study are systematically different from those who stay, we have which threat to validity?

• A) selection
• B) mortality
• C) regression to the mean
• D) maturation

---

Definitions:

Notes Receivables

Written promises for amounts to be received, typically including interest, indicating that another party owes the business money.

Contra Asset Account

An account offset against an asset account on the balance sheet.

Allowance for Doubtful Accounts

An accounting provision that represents a company's estimate of invoices that will not be paid by customers.

Aging of Accounts Receivable

A method of categorizing accounts receivable based on how long they have been outstanding.