,
, BU.510.601 STATISTICAL ANALYSIS
MIDTERM EXAM | 2026 UPDATE | 100%
CORRECT - JOHNS HOPKINS UNIVERSITY.
SECTION 1: RESEARCH DESIGN & STUDY
METHODOLOGY (Questions 1-12)
Q1. Data collection instruments were sent to the same sample of
women at six different times during the first year of living with
breast cancer. What type of study design does this exemplify?
A) Cross-sectional
B) Retrospective
C) Longitudinal
D) Correlational
Correct Answer: C. Longitudinal
Rationale: A longitudinal study design involves collecting data from the
same subjects repeatedly over a period of time . This allows researchers to
observe changes, trends, or developments in the variables of interest. In
contrast, a cross-sectional study collects data at a single point in time, a
retrospective study looks backward in time, and a correlational study
examines relationships between variables without manipulation .
Q2. Which of the following is the most accurate definition of
"research"?
A) The process of reading and summarizing existing literature
B) Diligent and systematic inquiry or investigation to generate new
knowledge, validate existing knowledge, and refine knowledge by
, BU.510.601 STATISTICAL ANALYSIS
MIDTERM EXAM | 2026 UPDATE | 100%
CORRECT - JOHNS HOPKINS UNIVERSITY.
SECTION 1: RESEARCH DESIGN & STUDY
METHODOLOGY (Questions 1-12)
Q1. Data collection instruments were sent to the same sample of
women at six different times during the first year of living with
breast cancer. What type of study design does this exemplify?
A) Cross-sectional
B) Retrospective
C) Longitudinal
D) Correlational
Correct Answer: C. Longitudinal
Rationale: A longitudinal study design involves collecting data from the
same subjects repeatedly over a period of time . This allows researchers to
observe changes, trends, or developments in the variables of interest. In
contrast, a cross-sectional study collects data at a single point in time, a
retrospective study looks backward in time, and a correlational study
examines relationships between variables without manipulation .
Q2. Which of the following is the most accurate definition of
"research"?
A) The process of reading and summarizing existing literature
B) Diligent and systematic inquiry or investigation to generate new
knowledge, validate existing knowledge, and refine knowledge by
