Model paper

Dean's Office Official Model Question Paper

RCH 201 · Business Research Methods

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Programme
BBM
Academic year
Semester 4
Paper type
Official Model Question
Sitting
Dean's Office Blueprint
Full marks
60
Duration
180 minutes

Tribhuvan University

Faculty of Management

Office of the Dean

Official Model Question Paper / Dean's Office Blueprint

Course: RCH 201 · Business Research Methods

Level: Bachelor of Business Management (BBM) · Semester 4

Full Marks: 60

Time: 3 hrs.

Candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.

Group A

Brief Answer Questions. Attempt ALL questions.

[5 × 2 = 10]
  1. Define Empirical Research and state its hallmark.

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    Answer: Empirical Research: Research based on direct observed and measured phenomena and verifiable empirical data rather than mere speculative theory or personal belief. Hallmark: Conclusions are derived from concrete evidence gathered through systematic observation or experimentation that can be independently verified and replicated.

  2. Differentiate between an Independent Variable and a Dependent Variable.

    [2]
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    Answer:

    • Independent Variable (XX): The variable that is manipulated, measured, or selected by the researcher to determine its relationship to an observed phenomenon (the presumed cause).
    • Dependent Variable (YY): The variable that is observed and measured to determine the effect of the independent variable (the presumed outcome or effect).
  3. What is Snowball Sampling and when is it employed?

    [2]
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    Answer: Snowball Sampling: A non-probability sampling technique where existing study participants recruit future participants from among their acquaintances. When Employed: Used when studying rare, hidden, or hard-to-reach populations where no formal sampling frame exists (e.g., undocumented migrant workers, victims of corporate harassment, elite angel investors).

  4. Define Cronbach’s Alpha (α\alpha) and state its acceptable threshold.

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    Answer: Cronbach’s Alpha (α\alpha): A widely used statistical measure of internal consistency reliability among a set of survey Likert-scale items measuring a single underlying latent construct. Acceptable Threshold: A coefficient of α0.70\alpha \ge 0.70 is universally regarded as acceptable for academic research in business and social sciences.

  5. What is the p-value Decision Rule in hypothesis testing?

    [2]
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    Answer: The p-value is the probability of obtaining test results at least as extreme as the actual observed results, assuming the null hypothesis (H0H_0) is true:

    • If p-valueα\mathbf{\text{p-value} \le \alpha} (e.g., 0.050.05): Reject H0H_0 (Statistically significant).
    • If p-value>α\mathbf{\text{p-value} > \alpha}: Fail to reject H0H_0 (Insufficient empirical evidence).

Group B

Descriptive Answer Questions. Attempt any THREE questions.

[3 × 10 = 30]
  1. What is a Research Design? Compare and contrast Exploratory, Descriptive, and Causal Research Designs on the basis of objective, methodology, and degree of problem structure.

    [10]
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    1. Concept of Research Design

    A Research Design is the master blueprint or comprehensive architectural framework specifying the methods and procedures for collecting, measuring, and analyzing data to answer the central research questions.


    2. Comparative Matrix of the Three Major Research Designs

    Parameter Exploratory Research Design Descriptive Research Design Causal (Explanatory) Research Design
    Problem Definition Ambiguous, unstructured, poorly understood. Partially structured; well-defined problem parameters. Highly structured; specific cause-effect relationships known.
    Primary Objective Discover ideas, formulate hypotheses, clarify concepts. Describe characteristics, frequencies, and profiles (Who, What, When, Where). Determine cause-and-effect relationships (XYX \to Y).
    Research Approach Flexible, qualitative, open-ended, non-probability sampling. Structured, quantitative, formal surveys, cross-sectional samples. Controlled experiments (field or laboratory), longitudinal test groups.
    Data Collection Focus groups, pilot studies, expert depth interviews. Standardized structured questionnaires, secondary databases. Laboratory experiments, controlled A/B testing, econometrics.
    Outcome Preliminary insights; input to further descriptive or causal studies. Conclusive factual summaries; hypothesis confirmation. Confirmation of direct causal direction and effect magnitude.
  2. Explain the four Levels of Measurement Scales (Nominal, Ordinal, Interval, and Ratio). Why is scale selection critical for statistical analysis?

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    1. Hierarchy of Measurement Scales

                            Measurement Scale Hierarchy
                                         |
        [Nominal: Identity]  -->  [Ordinal: Order]  -->  [Interval: Distance]  -->  [Ratio: Absolute Zero]
    
    1. Nominal Scale: Categorizes data into discrete, mutually exclusive qualitative groups with no quantitative meaning (e.g., Gender: 1=Male,2=Female1 = \text{Male}, 2 = \text{Female}; Bank type: Commercial, Development). Permissible statistics: Frequencies, mode, Chi-square.
    2. Ordinal Scale: Ranks items in order of magnitude, but intervals between ranks are unknown and unequal (e.g., Brand rankings: 1st,2nd,3rd1^{\text{st}}, 2^{\text{nd}}, 3^{\text{rd}}; Customer satisfaction: Low, Medium, High). Permissible statistics: Median, percentile, Spearman rank correlation.
    3. Interval Scale: Possesses order and equal intervals between scale points, but lacks a true absolute zero (e.g., 5-point Likert agreement scale, temperature in Celsius). Permissible statistics: Mean, standard deviation, Pearson correlation, t-test, ANOVA.
    4. Ratio Scale: Has all properties of interval scale PLUS a true, non-arbitrary absolute zero point (e.g., Annual revenue in Rs., age in years, inventory units). Permissible statistics: Geometric mean, regression analysis, all advanced parametric tests.

    2. Why Scale Selection is Critical

    Scale selection dictates the mathematical operations permissible on the data. Applying parametric tests (t-tests, ANOVA, linear regression) to nominal or ordinal data produces invalid statistical conclusions.

  3. Distinguish between Probability Sampling and Non-Probability Sampling. Explain the operational procedures of Stratified Random Sampling and Systematic Sampling.

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    1. Probability vs. Non-Probability Sampling

    Dimension Probability Sampling Non-Probability Sampling
    Selection Probability Every population element has a known, non-zero probability of being selected. Probability of selection is unknown; based on convenience or subjective judgment.
    Generalizability Findings can be mathematically generalized to the population with calculable sampling error. Findings cannot be statistically generalized beyond the sample group.
    Cost & Time High cost, time-consuming; requires a complete sampling frame. Fast, economical, simple to administer in preliminary studies.

    2. Operational Procedures

    A. Stratified Random Sampling

    1. Divide the heterogeneous population into mutually exclusive, homogeneous subgroups (strata) based on a relevant criterion (e.g., bank size: Class A, B, C).
    2. Establish a complete sampling frame within each stratum.
    3. Draw an independent simple random sample from every stratum, either proportionally or disproportionately.
    4. Benefit: Guarantees representation of minority subgroups and slashes sampling variance.

    B. Systematic Sampling

    1. Determine population size (NN) and desired sample size (nn).
    2. Compute the sampling interval: k=Nnk = \frac{N}{n}.
    3. Select a random starting integer (rr) between 1 and kk.
    4. Select every kthk^{\text{th}} element thereafter: r,r+k,r+2k,r, r + k, r + 2k, \dots
    5. Caution: The sampling frame must not exhibit cyclical periodicity matching interval kk, which introduces systematic bias.
  4. Discuss the structure and essential components of an Academic Business Research Report. What guidelines should a researcher follow to avoid Plagiarism?

    [10]
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    1. Standard Structure of a Business Research Report

                                 Structure of Research Report
                                               |
         +--------------------------+----------+--------------------------+
         |                          |                                     |
    Preliminary Section        Body of the Report                    Supplementary Section
    - Title Page               - Chapter 1: Introduction             - References (APA 7th)
    - Declaration & Approval   - Chapter 2: Literature Review        - Appendices (Questionnaire)
    - Table of Contents        - Chapter 3: Research Methodology     - Statistical Output
    - Executive Summary        - Chapter 4: Results & Discussion     - Glossary
                               - Chapter 5: Conclusions & Recommendations
    

    2. Essential Guidelines to Prevent Plagiarism

    1. Explicit In-Text Citation: Every paraphrased concept, statistic, framework, or empirical finding from external authors must include immediate parenthetical citation (e.g., Kotler & Armstrong, 2021).
    2. Proper Quoting: Enclose verbatim text in quotation marks and provide the exact page number.
    3. Thorough Paraphrasing: Completely rewrite source ideas in one’s own voice and structure rather than superficially swapping a few synonyms (patchwriting).
    4. Automated Similarity Screening: Run manuscripts through certified anti-plagiarism software (Turnitin, iThenticate) prior to submission, ensuring similarity indices remain safely below 15%.

Group C

Comprehensive Answer / Case Analysis Question.

[1 × 20 = 20]
  1. Read the quantitative research dataset and answer all questions:

    Scenario: Digital Payment Adoption and Customer Trust in Nepal A financial services researcher investigated the determinants of Consumer Trust in Digital Wallet Applications (YY, on a 10-point scale) across 25 corporate enterprises in Kathmandu. Two independent predictors were modeled:

    • System Security Features (X1X_1, on a 5-point Likert scale)
    • User Interface Simplicity (X2X_2, on a 5-point Likert scale)

    The statistical analysis generated the following regression output:

    • Sample Size (nn) = 25
    • R=0.88,R2=0.7744,Adjusted R2=0.7539R = 0.88, \quad R^2 = 0.7744, \quad \text{Adjusted } R^2 = 0.7539
    • Overall Model FF-statistic = 37.76 (Critical F0.05,2,22=3.44F_{0.05, 2, 22} = 3.44)

    Regression Coefficients Table:

    Variable Coefficient (beta\\beta) Std. Error Calculated tt-value Critical t0.05,22t_{0.05, 22}
    Constant (b0b_0) 1.80 0.65 2.77 2.074
    Security Features (X1X_1) 1.15 0.22 5.23 2.074
    UI Simplicity (X2X_2) 0.65 0.18 3.61 2.074

    Required: (a) Formulate the formal research problem statement, conceptual framework, and two directional hypotheses for this study. (6 Marks) (b) Write the estimated multiple regression equation and interpret the partial regression slopes β1\beta_1 and β2\beta_2. (4 Marks) (c) Interpret the Coefficient of Determination (R2R^2). (3 Marks) (d) Test the Overall Model Significance using the FF-test at the 5% level. (3 Marks) (e) Test the Individual Significance of X1X_1 and X2X_2 using tt-tests and provide strategic recommendations to digital wallet fintech firms. (4 Marks)

    [20]
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    Solution: Quantitative Econometric Interpretation


    Part (a): Problem Statement, Conceptual Framework & Hypotheses (6 Marks)

    1. Problem Statement: Despite explosive growth in digital payment transactions in Nepal, fintech applications face widespread user apprehensions regarding transaction failures and cyber fraud. Digital wallet developers lack empirical clarity regarding the relative importance of technical security features versus front-end visual simplicity in establishing long-term customer trust.

    2. Conceptual Framework:

      [ System Security Features (X1) ] ----+
                                            |---> [ Consumer Trust (Y) ]
      [ UI Simplicity (X2) ] --------------+
      
    3. Hypotheses:

      • H1H_1: System security features have a significant positive impact on consumer trust in digital wallets.
      • H2H_2: User interface simplicity has a significant positive impact on consumer trust in digital wallets.

    Part (b): Multiple Regression Equation & Interpretations (4 Marks)

    Y^=1.80+1.15X1+0.65X2\hat{Y} = 1.80 + 1.15 X_1 + 0.65 X_2
    • Intercept (b0=1.80b_0 = 1.80): When both security features (X1X_1) and UI simplicity (X2X_2) are rated zero, the baseline customer trust score is 1.80 points.
    • Partial Slope β1=1.15\beta_1 = 1.15: Holding UI simplicity constant, every 1-unit increase in system security rating leads to an average increase of 1.15 points in consumer trust.
    • Partial Slope β2=0.65\beta_2 = 0.65: Holding security features constant, every 1-unit increase in UI simplicity rating leads to an average increase of 0.65 points in consumer trust.

    Part (c): Interpretation of R2R^2 (3 Marks)

    R2=0.7744R^2 = 0.7744 indicates that 77.44% of the total variance in consumer trust in digital wallets is explained by the combined linear effects of system security features and user interface simplicity. The remaining 22.56% of variance is attributed to other factors (brand reputation, customer support) or random error.


    Part (d): Overall Model Significance (FF-test) (3 Marks)

    • H0:β1=β2=0H_0: \beta_1 = \beta_2 = 0 (Model has no explanatory power).
    • H1:H_1: At least one βj0\beta_j \neq 0.
    • Calculated F=37.76F = 37.76; Critical F0.05,2,22=3.44F_{0.05, 2, 22} = 3.44.
    • Decision: Since Fcalc(37.76)>Fcrit(3.44)F_{\text{calc}} (37.76) > F_{\text{crit}} (3.44), we reject H0H_0 at the 5% significance level. Conclusion: The overall regression model is statistically highly significant.

    Part (e): Individual Significance Tests & Fintech Strategy (4 Marks)

    1. Test for Security Features (X1X_1):
      • tcalc=5.23,tcrit=2.074t_{\text{calc}} = 5.23, \quad t_{\text{crit}} = 2.074
      • Since 5.23>2.074|5.23| > 2.074, reject H0H_0. Security features significantly influence trust.
    2. Test for UI Simplicity (X2X_2):
      • tcalc=3.61,tcrit=2.074t_{\text{calc}} = 3.61, \quad t_{\text{crit}} = 2.074
      • Since 3.61>2.074|3.61| > 2.074, reject H0H_0. UI simplicity significantly influences trust.

    Strategic Recommendations for Fintech Firms:

    • Security is the Dominant Anchor: Because β1(1.15)\beta_1 (1.15) is almost twice as influential as β2(0.65)\beta_2 (0.65), fintech executives must prioritize biometric authentication, 2-factor OTP encryption, and transparent real-time fraud monitoring above superficial visual animations.
    • Streamlined Usability: Keep the user checkout journey clean and intuitive, eliminating cluttered pop-ups to reassure first-time digital users.