(pre)Quasi-experimental design

In general, the quasi-experimental designs have high internal validity

• True

• False

Quasi experiment may be performed when a true experiment would be impossible.

• True

• False

In quasi experiments, there is a lack of random assignment of subjects in groups.

• True

• False

The ..................... validity of a quasi experiment is higher than true experiment.

• external

• internal

• outside

• experiment

The research design that allows the same group of participants to be compared many times over a period of time is known as......................................

• Nonequivalent group control design

• posttest only design

• controlled interrupted time-series desing

• Interrupted time-series desing

The aim of the blinding technique(s) is to.......................................................

• counter the effects of social interaction

• increase external validity

• decrease internal validity

• improve random assignment