Instruction 10-4
to Test the Effectiveness of a Business School

question 3

Multiple Choice

Instruction 10-4
To test the effectiveness of a business school preparation course, 8 students took a general business test before and after the course. The results are given below.
$$\begin{array} { c c c } \text { Student } & \begin{array} { c } \text { Exam Score } \\\text { Before Course }\end{array} & \begin{array} { c } \text { Exam Score } \\\text { After Course (2) }\end{array} \\& ( 1 ) & \\ 1 & 530 & 670 \\ 2 & 650 & 770 \\3 & 910 & 1,000 \\4 & 700 & 710 \\5 & 450 & 550 \\6 & 820 & 870 \\7 & 820 & 770 \\8 & 630 & 610\end{array}$$
-Referring to Instruction 10-4,the value of the standard error of the difference scores is

• A) 60.828.
• B) 14.696.
• C) 22.991.
• D) 65.027.

Explain the concept of a sampling frame and its importance in research design.

Understand how sampling methods can affect the credibility and reliability of research results.

Describe how different sampling strategies can be applied to specific research projects.

Understand the phases of attachment behavior as proposed by Bowlby and the characteristics of each phase.

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Definitions:

Genetic Predisposition

The increased likelihood of developing a particular disease or trait based on a person's genetic makeup.

Cognitive Development

The process of growth and change in intellectual capabilities, influencing how an individual perceives, thinks, and understands their world.

Secondary Circular Reactions

A developmental stage in infants, identified by Jean Piaget, involving repetitive actions focused on external objects, symbolizing the beginning of intentional and coordinated activities.

Object Permanence

The understanding that objects continue to exist even when they cannot be seen, heard, or touched, typically developed during infancy.