A Psychologist Wishes to Determine Whether Short-Term Memory Scores Are

question 5

Multiple Choice

A psychologist wishes to determine whether short-term memory scores are affected by the type of medication in hyperactive children. Sixty hyperactive children (30 boys and 30 girls) were randomly assigned to receive either Cylert or Ritalin (two kinds of amphetamines that are central nervous system stimulants) . Their short-term memory was tested on a 20-point scale (where 0 = no memory and 20 = perfect memory) . $\begin{array} { c c c c c c } \hline & \text { Boys } & && { \text { Girls } } \\\hline \text { Cylert } & \text { Placebo } & \text { Ritalin } & \text { Cylert } & \text { Placebo } & \text { Ritalin } \\\hline 12 & 5 & 3 & 5 & 4 & 12 \\10 & 6 & 2 & 6 & 6 & 9 \\13 & 7 & 5 & 2 & 7 & 14 \\10 & 6 & 6 & 4 & 6 & 13 \\9 & 4 & 1 & 3 & 5 & 9 \\12 & 5 & 4 & 2 & 4 & 12 \\13 & 6 & 2 & 4 & 5 & 8 \\10 & 7 & 6 & 6 & 6 & 15 \\11 & 5 & 1 & 2 & 7 & 12 \\12 & 7 & 5 & 4 & 7 & 11 \\\hline\end{array}$
-The degrees of freedom for gender are

• A)1
• B)2
• C)54
• D)59

Understand the concept and significance of physical capital in production processes.

Explain the universal problem of scarcity across different societies.

Apply the concept of opportunity cost to everyday financial and non-financial decisions.

Understand the limitations and characteristics of different research designs, including correlational, experimental, and case studies.

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Definitions:

Converted to Cash

Transforming assets or securities into liquid cash through sale or redemption.

NSF Check

A check that cannot be processed because the drawer's account does not have sufficient funds, standing for "Non-Sufficient Funds."

Monthly Service Charge

A fee charged by a financial institution to maintain an account, often depending on the type of account or the balance maintained.

Bank Reconciliation

The process of comparing and adjusting the balance shown in a company’s bank statement with the amount appearing in the company’s own records.