Explanation

The least distance for which traveling allowance can be availed is 16km.

Explanation

The success of integrated education depends on the excellence of text-books.

Explanation

A guardian never comes to see you in school. You will go to meet him yourself.

Explanation

• The impact of Audio-Visual Aids (A.V. Aids) on student learning would typically be investigated through "Experimental research."
• This type of research involves manipulating variables (such as the use of A.V. Aids) to determine their effect on an outcome (student learning).

Explanation

The general term applied to publications that contain descriptions of educational research by an author who was not a direct observer or participant is "Secondary source."

Explanation

A description of the study written by the person who conducted it is referred to as a "Primary source."

Explanation

The degree to which a test consistently measures what it is intended to measure is called "Reliability."

Explanation

• The class mark is the midpoint of a class interval and divides the class into two equal parts.
• For example, if a class interval is 10-20, the class mark would be (10 + 20) / 2 = 15. So, in this case, 15 is the class mark.

Explanation

• In historical research, the wide range of written and printed materials recorded for the purpose of transmitting information is called "Documents."
• These documents can include various types of records, such as letters, diaries, newspapers, official documents, and manuscripts.

Explanation

Descriptive Research: This type of research involves gathering data to provide a comprehensive overview or snapshot of a subject or population, often through questionnaires, interviews, or observations.