STA630 Final Term Solved File 2 by Team Hadi

STA630- Research Methods

Final Term Paper

Q1. Which of the following is NOT an assumption of action research?

Action researchers have basic research skills to collect and analyze data. All professionals need and want feedback on their performance. Results enable the researchers to evaluate the performance of others. Teachers are capable of assuming responsibility for their own professional growth.

Q2. Which of the following statements it TRUE for operational definition?

It is one that bears no relation to the underlying concept. It is an abstract, theoretical definition of a concept A definition of a concept in terms of specific and empirical measures. It is one that refers to opera singers and their work. Lesson 5 Operational definition is also called a working definition stated in terms of specific testing or measurement criteria. The concepts must have empirical referents.

Q3. Which of the following statements best defines hypothesis?

A quantitative study. A tentative prediction of the results of the research. A qualitative research design. The operational definition of the study.

Q4. When the research starts from the effects and tracing the reasons back in time, what does it called?

Case study

Experiment Observation studies Historical comparitive research Case study: It is an in-depth analysis of a unit which could be an individual person, a couple, a group, or an organization. It is more like a clinical analysis in retrospect; starting from the effect and tracing the reasons back in time.

Q5. The extent to which a test provides scores that are meaningful, appropriate, or useful is referred to as;

Reliability Accuracy

Validity

Q6. Mr. Hasan s son has applied to a high school in Florida, but the application was denied solely on his low score on the Iowa Test of Basic Skills (ITBS). His son wants to attend this school and contends his current grades and other standardized test scores speak well to both his past work and future academic capability. Which of the following

characteristics of the ITBS is being questioned by this student?

Construct validity Content validity

Predictive validity

Concurrent validity Ref: This is a case where the appropriate validity evidence is criterion-related. Because the test purports to predict "future academic capability," predictive validity is a better alternative than concurrent validity.

Q7. Internal consistency estimates of reliability such as the KR-20 or Cronbach's alpha are used more frequently than other estimates such as test-retest or parallel forms because

internal consistency estimates;

Are easily calculated. Require only one administration of a test. Are more accurate than all other types of estimates. Are usually higher.

Q8. Which of the following functions is performed by the Odinal scale?

Categorize Distance

Order

Unique origin Lesson 17 Ordinal scales include the characteristics of the nominal scale plus an indicator of order.

Q9. Which of the following is measured by the Interval scale?

Order of the object Magnitude of the object Categorize the object

On interval measurement scales, one unit on the scale represents the same magnitude on the trait or characteristic being measured across the whole range of the scale.

Q10. Following are the properties of nominal scale, except;

Least powerful Suggest no order Provide categorical information

Provide magnitude of object

Lesson 17 Nominal Scale: A nominal scale is the one in which the numbers or letters assigned to objects serve as labels for identification or classification. With nominal data, we are collecting information on a variable that naturally or by design can be grouped into two or more categories that are mutually exclusive, and collectively exhaustive. Nominal scales are the least powerful of the four scales. They suggest no order or distance relationship and have no arithmetic origin.