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Test Construction Concepts

Use of a test: Provide information about an individual's achievement of a course objective, or mastery of an area of nursing content. A good test focuses on important information and discriminates those who have mastered the content from those who have not.

Reliability: Consistency of repeated measurements of individuals.

Content Validity: Test measures what it was designed to evaluate in proportion to the importance of the content.

Item Difficulty: Test questions should discriminate students who know the information from students who do not know the information. If everyone gets an individual question correct or incorrect, the question does not discriminate.

Point Biserial Correlation: Indicates how students who performed well on the test and students who performed poorly on the test did on a particular question. The range is -1 to +1. If students who performed well on the test get the question correct, the point bisereal correlation is positive. If students who performed poorly on the test get the question correct, the point biserial is negative.

Test Blueprint: The construction plan for a test containing details about the content included in the test. Developed so the test has content validity. Ensures that test contains a representative sample of the course objectives. Can function as a study guide for students.

Bloom's Taxonomy: Hierarchical classification system that places educational objective along a continuum. There are three components to the taxonomy: cognitive, affective, and psychomotor. Cognitive categorizes the objective from simple to complex along a continuum. Affective focuses on continuum from awareness to a change in behavior. Psychomotor focuses on the physical skills needed to acquire learning. Multiple-choice questions concern the cognitive domain.

Writing Test Questions to a Blueprint

  1. Determine the total number of items to be included in the test.
  2. Select the course objectives to be included in the test.
  3. Determine the number of questions for each course objective.
  4. Establish a table that lists the levels of Bloom's Taxonomy along one axis and the course objectives to be tested along the other axis.
  5. Determine the number of question at each level of Bloom's Taxonomy.
  6. Decide on the number of questions to be asked according to the content area or objective.

Writing Test Questions According to Bloom's Taxonomy

Remembering—recall of specific information from long-term memory. Can the student recall information?

  • Requires recall of information previously learned.
  • Question requires no understanding or judgment.
  • Good for testing factual information.
  • Limited value to test for nursing competence.
  • Sample key words: recognize, recall, list

Example:

According to Erikson, what is the basic conflict to be resolved by the aged individual?
A. Industry vs. Inferiority
B. Initiative vs. Guilt
C. Integrity vs. Despair
D. Intimacy vs. Isolation

Behavioral objective—Apply the developmental stages according to Erikson.

Understanding—ability to paraphrase information or construct meaning from content. Can the student explain ideas or concepts?

  • Requires student to understand the information and utilize it in a specified situation.
  • Sample key words: compare, explain, summarize, classify, paraphrase

Example:

Which of the following must occur if the nurse-client relationship is to be established?
A. The nurse must be seen as a friend.
B. The nurse's position and role must be clarified.
C. Working phase may precede orientation phase.
D. Assumptions by patient and nurse are assumed.

Behavioral objective—Explain the components of a therapeutic nurse-client relationship.

Applying—ability to carry out or use knowledge. Students must learn to assimilate large amounts of information and use it to plan and implement safe and effective nursing care. Use of the nursing process requires higher levels of cognitive thinking. Can the student use the information in another familiar situation?

  • Requires students to understand the information and apply their knowledge in a new situation.
  • Sample key words: execute, implement, use

Example:

The nurse discusses risk factors regarding the development of cancer with a woman in the outpatient clinic. The woman's history includes the following information: 30 years old, Caucasian, unmarried, onset of menarche age 10, mother died of breast cancer at age 55. The client tells the nurse, "I don't have to worry now because I am too young to get cancer." Which response by the nurse would be BEST?
A. "All women should worry, no matter what age they are."
B. "Yes, your age is in your favor."
C. "If I had your background, I would be concerned."
D. "Your family and menstrual background does increase your risk."

Behavioral objective—Explain the risk factors for the development of breast cancer in women. Utilize therapeutic communication when communicating with the patient.

Analyzing—ability to break a concept into component parts and determine how the parts relate to each other and overall structure. Can students break the information into parts to explore understandings and relationships?

  • Requires student to break down information to obtain the meaning of the material or demonstrate how it is organized or structured.
  • Requires the student to analyze the situation, interpret data, set goals, establish nursing diagnoses, set priorities, and determine actions.
  • Sample key words: differentiate, organize, compare, outline

Example:

A 60-year-old male has advanced COPD and complains of constipation. A diet history reveals an adequate intake of all nutrients. The client says he performs regular exercise. What would the nurse suspect as the major cause of the client's constipation?
A. Inability to increase intra-abdominal pressure.
B. Abuse of his medications.
C. Generalized muscular weakness.
D. Fecal impaction from poor fluid intake.

Behavioral objective—Explain the common causes of constipation in clients. Describe the pathophysiological changes associated with advanced COPD.

Evaluating—ability to make a judgment based standards and specific criteria. Can the student justify a course of action or decision?

  • Sample key words: check, critique, detect, monitor, test

Example:

Read the following case study concerning a 15-year-old client being treated for anorexia nervosa. Determine if the actions performed by the homecare nurse were appropriate or inappropriate for the client based on her current condition. Support your answer using your nursing textbook.

Creating—ability to take previously learned information and put the elements together to create something new. Can students generate new products, ideas, or ways of viewing things?

  • Sample key words: generate, plan, produce, design, construct, devise

Example:

Read the following case study concerning a 30-year-old mother of two young children being discharged from the hospital following a right mastectomy. Develop an individualized teaching plan for this client.