Quantitative Research

1. A scientist is investigating if the type of fertilizer used affects the number of tomatoes produced by a plant. She applies different fertilizers (organic, chemical, none) to three groups of identical tomato plants and counts the tomatoes harvested from each plant.

(a)  

The scientist then applies different fertilizers (organic, chemical, none) to three groups of identical tomato plants and counts the tomatoes harvested from each plant.

(a)  

A psychologist has participants sleep for 4, 7, or 9 hours and then measures how quickly they respond to a visual stimulus.

(a)  

A psychologist wants to know if the amount of sleep a person gets influences their reaction time.

(a)  

A marketing firm is testing whether the color scheme of a website impacts how long visitors stay on the page.

(a)  

A marketing firm created three versions of a website with different color schemes (blue, green, red) and track the average time spent by users on each version.

(a)  

A farmer plays classical music in one barn and no music in another, both housing identical cows, and measures the daily milk yield from each barn.

(a)  

A farmer is trying to determine if playing classical music near his dairy cows increases milk production.

(a)  

A chemistry student is studying if the temperature of water affects how quickly sugar dissolves.

(a)  

A chemistry student puts the same amount of sugar into water samples at 10°C, 30°C, and 50°C, and records the time it takes for the sugar to fully dissolve in each.

(a)