Research Flashcards
Performances of separate groups of subjects are measured and comparisons are then made between the two groups
Between-Subjects Design
Performance of same group is compared in different conditions and/or in different situations; sequencing effect may occur
Within-Subject Design
Technique that enables researcher to be able to control and measure sequencing effects by testing different participants in different orders
Counterbalancing
may occur when subjects participate in several conditions
Sequencing Effect
Every member of population chosen randomly & has equal chance
Simple random sampling
Sample members are chosen at regular intervals every nth member
Systematic sampling
Population divided into subgroups before random selection
Stratified random sampling
Population divided into clusters based on demographics (e.g., location)
Cluster sampling
Every member of population chosen randomly & has equal chance
Multistage sampling
Specific individuals are chosen to participate
Purpose sampling
Depends on ease of access and proximity
Convenience sampling
how many standard deviations raw score is from mean
Standard āZā Score
percentage of people scoring at or below a certain score
Percentile Rank
no statistical difference/relationship between groups among variables
Null Hypothesis
extent to which scores deviate from mean
Standard Deviation
degree assessment measures what it purports to measure
Validity
test looks like it assesses what it says it does
Face Validity
actual content assesses what it says it does
Content Validity
measures a predetermined theoretical construct
Construct Validity
an estimate of the extent to which a measure agrees with a gold standard
Criterion Validity
the amount of agreement between two different assessments
Concurrent Validity
accuracy in which a test predicts future performance on related task
Predictive Validity
consistency and stability in varying contexts
Reliability
stability across multiple administrations with same group
Test-retest Reliability
Measures the internal consistency of a test
Split half Reliability
Reliability when same person administers
Intra-Rater Reliability
Reliability when different people administer
Inter-Rater Reliability
multiple forms of test provide same results
Alternate Form Reliability
says a child is eligible if he or she has any physical or mental condition that substantially limits a major life activity
Section 504
Provides an eligible student with an IEP
IDEA
Child must have one of 13 specified disabilities to qualify according to this law
IDEA
Prevents discrimination against PWD
IDEA
The Office of Special Education and Rehabilitation Services administers this law
IDEA
The Office of Civil Rights administers this law
Section 504
