Unit 2 - Practice Quiz

1 Which of the following is logically the first step in the research process?

2 A Research Design is best described as:

3 In the context of research design, which variable is presumed to be the cause of change in another variable?

4 Which type of research design is primarily concerned with describing the characteristics of a population or phenomenon?

5 When a researcher wants to gain background information, define terms, and clarify problems and hypotheses, which design is most appropriate?

6 The aggregate of all the units/elements that possess the characteristics under study is called the:

7 A numerical characteristic calculated from a sample (e.g., sample mean ) is called a:

8 In Simple Random Sampling (SRS), the probability of selecting any specific unit from a population of size is:

9 Which of the following is a type of Non-Probability sampling?

10 What is the primary difference between a Longitudinal design and a Cross-sectional design?

11 In hypothesis testing, the hypothesis that states there is no significant difference or relationship is called the:

12 Which sampling method involves dividing the population into homogeneous subgroups and then taking a simple random sample from each subgroup?

13 If a researcher selects every element from a list after a random start, this is known as:

14 Extraneous variables that are not part of the study but affect the measurement of the dependent variable are often controlled through:

15 Which of the following represents a Diagnostic Research Design?

16 The list of all units in a population from which the sample is to be drawn is known as the:

17 Which type of error decreases as the sample size () increases?

18 A researcher stands at a mall entrance and surveys people who happen to pass by. This is an example of:

19 In experimental design, the group that is exposed to the manipulation of the independent variable is the:

20 The standard deviation of the sampling distribution of a statistic is referred to as:

21 Which of the following is NOT a step in the research process?

22 Cluster sampling is most efficient when:

23 What is the primary function of a Literature Review in the research process?

24 In Quota Sampling, the researcher:

25 Validity in research design refers to:

26 A 'Pilot Study' is:

27 Which variable is held constant during an experiment to prevent it from influencing the outcome?

28 Which of the following represents the correct mathematical calculation for the sampling interval () in systematic sampling?

29 Judgmental Sampling is also known as:

30 Internal Validity is concerned with:

31 Which design involves manipulation of independent variables but lacks random assignment?

32 The difference between the sample statistic and the true population parameter is called:

33 Which of the following is a source of Non-Sampling Error?

34 In a Randomized Control Trial (RCT), 'Randomization' ensures that:

35 What is 'Snowball Sampling' most useful for?

36 Which research step immediately follows 'Data Analysis'?

37 A variable that can take on an infinite number of values within a range (e.g., weight, height) is called a:

38 The concept of 'Control' in research design is primarily aimed at:

39 Which of the following is an example of a Probability Sampling method?

40 If a sample is not representative of the population, the results suffer from:

41 What does the symbol represent in research statistics?

42 A 'Double-Blind' study is one where:

43 Ex Post Facto research is also known as:

44 The Law of Statistical Regularity states that:

45 Stratified sampling is preferred over simple random sampling when:

46 Determining the sample size is influenced by:

47 The finite population correction factor is used when:

48 In the research process, 'Operationalization' refers to:

49 Which of the following is true about 'Cluster Sampling' vs 'Stratified Sampling'?

50 Hypothesis formulation is essentially: