A Researcher Conducts a Quasi-Experimental Study to Determine Whether There

question 29

Multiple Choice

A researcher conducts a quasi-experimental study to determine whether there is improved weight gain among premature infants who are fed according to cue-based protocols.The researcher trained neonatal intensive care nurses to apply cue-based feeding to orally fed infants and notes a statistical difference in weight gain between infants fed according to cue-based protocols and those fed according to standard protocols.The reviewer notes that parents who gave consent to participate in the study were from a higher socioeconomic class than the population as a whole.This is a threat to:

• A) construct validity.
• B) external validity.
• C) internal validity.
• D) statistical conclusion validity.

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Definitions:

Certificates

Official documents attesting to the truth of certain facts or the completion of specific requirements, often relating to education, qualification, or ownership.

Educational Achievement

The level of educational attainment or success a person or group has achieved, often measured through qualifications, grades, or test scores.

Actual Learning

The genuine acquisition of knowledge or skills through study, experience, or teaching, leading to a change in behavior or understanding.

School

An institution designed for the teaching of students under the direction of teachers, primarily focusing on childhood and teenage education.