University:
Coventry University
Course:
B940 | Biomedical Science
Academic year:

2023
Views:

272

Pages:

5
Author:

Badusha S.

Research designs Pre-exp. derign One-shot Case study One-group pretest- post lest design- reasme y chage. >Intad / static Group comparison at pisttest Post-let Only Cantal guip [Experimental Designs. Pre-test-Post-lest ca.. Pretest-1osttut ecs. Romdom annnyment to Treatment & CG. Facto gual Quasi-experimental! NR anignment to treatind & CG. Non-equivalent - ces clerg Tine senes Ex-post Facto Designs→ Statutical Controls. Jos compoing alternative treat menti -Pre-enp. designs: • Simplest Jorm 9 RD. •Pire' prepratomy / Prerequisite to tue exp desyn No romdomi zatives one shot care study: Exp goup Bully students. Counselig Post teet Ohsewahan attitude Weaknes mont I identified bullies in school. No control, Not proide companion No at o way I knowing is the gresult abtarnic are due to treat int x One group pre-test-post-tat deiign Exp. group Protest Treatment Porttest. school childen. eg: to Proviny determine whether pirarsing Children makes them. do betres ins 1º scho Mathen Static group comparison CGroup A Treatment Group B - Praisinay- Post-lest. post bet. Prios Cost effectine Suitable for beginner. Cons Lowes vali'chty -djjicult to omen obesemed chang in the conse - ittle contad os research. Dujicult or impossible to rule out Suñal hypothermia (explanations Multi-arm that's: In RCTs, grandomize participante to on of the two intesperitros groups. In to some Studies remdornice portripants 3 or mone treatment groups.. home a Commmmon Inter ventron Control group. on line control growss è a comm Such as placebo. Factorial Amali A Special Case 9 amiti am Stuchu Tmo os mome Cormed out intés vention Companion simultaneously using jomor more indasvention group. Pruos Cometers Internal vality Control ones extraneous keitile is ushelly highes Cons ← Inthical problem len ext Validity may be unethical/ impossible/ randomly anign ppl to goys 3. Quasi expeumental Not Gume expt. • Na rondom angront of control / confiamon group. Used when ethial wyrcally seasbe or eta 4. Non-equivalent Cs design • Aringunt to group is mit sandom. exp Corkl Pore berb Pre tet Contal - Wstnd Post-tet Post Leit b-Time series A single group. prtcuts repeatedly untill protes Scopee ane Stehle, exposed to repealtely Post Certes treat out then Pros: generating sumber jos gevant trends Greates ext vadily Muich mono ferible grèn Ime & logical conshun. Com No proper condoms, Statistu tat, com be monigh •Not as momy. comibles contubes. selm could be haied