Research Designs: Case Studies, Case Series & Correlational Studies Demystified (Amharic Speech) 

Ayu the great wonderful, you are doing very important presentation. Thank you keep it up!

I admire your effort to help young researchers/investigators learn research methods. It is excellent!

Excellent teacher..... I love your presentations berta

THANK YOU.

በጣም ግሩም ነው። አጠንክረህ ቀጥልበት።

This is a good teacher. Thanks

It is very interesting. Thanks

Thank you D.r

FTeacher enamesegnalen. It is valuable

Good broo thank you

Dr Ayalew Thank you Very Much, it is interesting and, if you can brief us Difference b/n Descriptive and explanatory Research design please ?

So many thanks

Thanks

Very good

Thanks dear teacher

Lovable

በርታ አባቴ

please teach us about the case study in detail

This is so sweet

Brilliant

So nice

wow wow betam arif nw berta Doc

about retrospective cohort study brief explanation

I think the use of the term Exploratory Study is a bit vague. Better use Pilot Study that has defined sampling and study design but done at a smaller scale to help sharpen the method for the bigger one.

Nice

I adore it

Betem desi yemil lecture new.gin Dr. ene ye phD temeri negn , Environmental Science. Ariif Research Mesirat ifeligalew, please agizeny Dr.

አዎ በቃ ይሄኛው ምረጥ ነው እየተማርኩ ሳይሆን የቅርብ ወዳኜ ቁጭ አድርጎ አየመከረኝ ነው የመሰለኝ ዎው ይመችህ በዚሁ አጠንክረህ በአማረኛ ቀጥል ሀገርኛ ማለት ይሄ ነው።

no sound why

ዶ/ር ጊዜ ካለዎት Cohort and case control study design ላይ ትንሽ ገለፃ ቢሰጡን ...

አዎ በቃ ይሄኛው ምረጥ ነው እየተማርኩ ሳይሆን የቅርብ ወዳኜ ቁጭ አድርጎ አየመከረኝ ነው የመሰለኝ ዎው ይመችህ በዚሁ አጠንክረህ በአማረኛ ቀጥል ሀገርኛ ማለት ይሄ ነው።

Very nice