What are the key elements of a good research title?

$2.$ What is a research gap? Why must a researcher establish a research gap?

$3.$ Explain the role of the review of related literature and studies $($RRLS$).$

$4.$ What is an operational definition?

$5.$ Differentiate: theoretical framework, conceptual framework, research paradigm.

$6.$ Differentiate: Descriptive questions and inferential questions.

$7.$ When is a research hypothesis needed$/$formulated$?$

$8.$ Differentiate: Research limitations and research delimitations.

$9.$ What sampling design is superior, probability sampling or non$-$probability sampling? Why?

$10.$ Explain the role of inclusion$/$exclusion criteria in non$-$probability sampling. $11.$ Differentiate: Standardized instrument, modified instrument, and self$-$made instrument $12.$ Why must a researcher ensure the validity, reliability, and usability of his$/$her instruments before data collection?