SPCE 630 defining features of SCRD questions n answers rated A+

SPCE 630 defining features of SCRD three defining features of a SCRD - correct answer -an individual case is the unit of intervention administration and data analysis -single participant -cluster of participants -the case provides its own control for purposes of comparison -repeated measurement SCD standards are designed to address threats to internal validity - correct answer -ambiguous temporal precedence -selection -history -maturation -testing -Instrumentation -additive and interactive effects of threats criteria for single case designs that meet standards - correct answer -independent variable must be systematically manipulated -the outcome variable must be measured systematicallly -the study must include at least three attempts to demonstrate an intervention effect (replication) -the phase should typically include a minimum of five data points designs that generally meet standards include - correct answer -ABAB design -multiple baseline design -alternating intervention design