SPCE 630 Finals Combined Exam Questions Reviewed And Revised With Correct Answers <Guarantee Pass |Updated!!>
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Course
SPCE 630
Institution
SPCE 630
SPCE 630 Finals Combined Exam
Questions Reviewed And Revised
With Correct Answers
<Guarantee Pass |Updated!!>
1. List the requisites for obtaining valid IOA measures -
ANSWER
It requires that two or more observers use
the same observation code and measurement system,
obs...
SPCE 630 Finals Combined Exam
Questions Reviewed And Revised
With Correct Answers
<Guarantee Pass |Updated!!>
1. List the requisites for obtaining valid IOA measures -
ANSWER It requires that two or more observers use
the same observation code and measurement system,
observe and measure the same participants and events,
and observer and record the behavior independent of
influence by other observers.
2. Summarize the considerations in selecting, obtaining, and
reporting IOA information, including how often IOA should
be collected and acceptable levels of IOA - ANSWER
IOA assessments should occur during each condition and
phase of a study and be distributed across days of the
week, times of day, settings and observers. 80% is the
standard acceptable level of IOA.
3. Accuracy - ANSWER (of measurement) The extent to
which observed values, the data produced by measuring
, an event, match the true state, or true values, of the event
as it exists in nature.
4. Believability - ANSWER The extent to which the
researcher convinces herself and others that the data are
trustworthy and deserve interpretation. Measures of
interobserver agreement are the most often used index of
this in applied behavior analysis.
5. Calibration - ANSWER Any procedure used to evaluate
the accuracy of a measurement system and, when sources
of error are found, to use that information to correct or
improve the measurement system.
6. Continuous measurement - ANSWER measurement
conducted in a manner such that all instances of the
response class(es) of interest are detected during the
observation period. Frequency recording, duration
recording
7. Direct measurement - ANSWER Directly measure the
behavior of interest rather than measuring indicators of
the behavior. (Frequency data on nail-biting occurrences
rather than checking nails periodically).
, 8. Discontinuous measurement - ANSWER
Measurement conducted in a manner such that some
instances of the response class(es) of interest may not be
detected. Whole interval, partial interval, momentary time
sampling
9. Exact count-per-interval IOA - ANSWER The
percentage of total intervals in which observers recorded
the same count; the most stringent description of IOA for
most data sets obtained by event recording.
10. Indirect measurement - ANSWER Occurs when the
behavior that is measured is in some way different from the
behavior of interest; considered less valid than direct
measurement because inferences about the relation between
the data obtained and the actual behavior of interest are
required. (Checking nails periodically to see if nail-biting has
occurred rather than recording instances of nail-biting
observed)
11.Interobserver agreement (IOA) - ANSWER The degree
to which two or more independent observers report the
same observed values after measuring the same events.
, interval-by-interval IOA - ANSWER comparing the two
observers' recordings of the occurrence or nonoccurrence of
the behavior in each observation interval and dividing the
number of intervals of agreement by the total number of
intervals and multiplying by 100.
Y/N
Y/Y
N/N
66% IOA
mean count-per-interval IOA - ANSWER The average
percentage of agreement between the counts reported by two
observers in a measurement period comprised of a series of
smaller counting times; a more conservative measure of IOA
than total count IOA.
mean duration-per-occurrence IOA - ANSWER An IOA
index for duration per occurrence data; also a more
conservative and usually more meaningful assessment of IOA
for total duration data calculated for a given session or
measurement period by computing the average percentage of
agreement of the durations reported by two observers for each
occurrence of the target behavior.
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