Details of this Paper

Control Group Design

Description

solution


Question

Please respond to the following questions either by writing the design name or by describing the design using standard notation (X = program, O=observation, R= random assignment). For each design, please discuss all threats to internal validity.;1. a. Design: Single group post-test only;b. Internal validity threats;2. a. Design: (R) O1 X O2;(R) O1 O2;b. Internal validity threats;3. a. Design: Pretest-posttest design with experimental and comparison group;b. Internal validity threats;4. a. Design: O X O;b. Internal validity threats;5. a. Design: Single group with three pretests and four posttests;b. Internal validity threats

 

Paper#68643 | Written in 18-Jul-2015

Price : $22
SiteLock