- | P a g e
EDF 5481 FINAL EXAM NEWEST 2025 ACTUAL
EXAM COMPLETE 100 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
In the hypothesis, "Eleventh grade students will achieve more with teachers who are enthusiastic," which of the following is an extraneous variable? - ANSWER-Academic ability of students
"Students taught first aid by programmed instruction will achieve at a higher level than those taught first aid by the traditional method." The independent variable in this hypothesis
is: - ANSWER-method of instruction
Which of the following questions indicates a relationship? - ANSWER-Do parents and teachers differ in expectations of achievement?
In a study comparing methods of improving critical thinking, what type of variable is "critical thinking"? - ANSWER- Dependent, outcome, quantitative
- / 3
- | P a g e
The term "external validity" includes: - ANSWER-population
generalizability and ecological generalizability
When a convenience sample is used, the researcher should not: -
ANSWER-generalize to a specified population
The sample in a particular study is the: - ANSWER-group on
which data are obtained
The most important feature of a table of random numbers is that:
- ANSWER-there is no pattern to the numbers in the table
In cluster random sampling: - ANSWER-existing groups are
randomly selected
In random sampling, it is necessarily true that: - ANSWER-each
sampling unit has an equal probability of being selected
Which of the following is not true of replication? - ANSWER- The study is repeated with the same subjects
- / 3
- | P a g e
Random sampling is least effective when: - ANSWER-the
sample size is very small
A purposive sample is used when: - ANSWER-the individuals to
be chosen are believed to have the information desired
The validity of generalizations based on a sample depends on
the: - ANSWER-representativeness of the sample
A performance checklist: - ANSWER-minimizes observer
judgment
How is "instrumentation" different from "instrument"? - ANSWER-Instrumentation includes the way in which the instrument is used
A previously existing instrument: - ANSWER-may be
inadequate for purposes of the researcher
Which is an example of a subject-completed instrument? - ANSWER-Attitude scale
- / 3