Answer:
B. Cross-Sectional
Explanation:
A Cross-sectional study of design is a kind of design of observational study . In the cross-sectional study, an investigator measures or examines the outcome as well as the exposures in any study participants at the same time.
Cross-sectional design research includes using some different category of the people who differ in some variable of interest but they share few other characteristics, like educational background, socioeconomic status and ethnicity.
A Cross-sectional studies are mostly used by experimenters or researchers to study the developmental psychology in humans.
Thus in the context, the researcher using 50 participants to study the developmental changes in their choices to listen to music is a type of cross sectional research design.
Hence the correct option is (B).
Answer:
Random assignment technique
Explanation:
The options for this question are missing. The options are:
A. Creating matched pairs
B Random assignment
C. Correlated assignment
In research, the term random assignment refers to the use of chance procedures to make sure that each participant of the study is assigned to a random group. In other words, participants are assigned to random groups.
In this example, Frances wants to study the effects of violent videogames on children's levels of aggression. As children come to the lab, she flips a coin and if it's heads they play a video game. If it's tails, they play a non-violent video game. We can see that <u>Frances is using a random method to assign the children to the groups (flipping a coin) and therefore they are assigned to random groups because she is using a chance procedure.</u> Therefore she is using random assignment technique
The world is feeling the fallout from rising temperatures and changing climates. Disasters are getting stronger and more frequent. Droughts are lasting longer. Weather patterns are less predictable. Farming practices that were once stable are no longer effective. Smaller harvests leave families with less to eat and sell.
Answer:
International monetary fund (IMF)
Explanation:
The International Monetary Fund (IMF) is an organization made up of 189 countries that seek to promote global financial coordination, ensure financial security, encourage global trade, stimulate higher employment and stable economic development, and reduce global poverty.
The IMF organization is often seen as the lender of last resort to nation-states whose economies are in turmoil and currencies are losing value against those of other nations.
The IMF supervises the international monetary system and monitors its members' political and economic policies.
