Independent and Dependent

Please identify the independent and dependent variables in the following description of an experiment: Workers at a company were assigned to one of two conditions: One group completed a stress management training program; another group of workers did not participate in the training. The number of sick days taken by these workers was examined for the two subsequent months.

Please identify the independent and dependent variables in the following description of an experiment: Students at a University were split into two groups and each received a different text for a philosophy course. One group received a traditional textbook, while the other received an interactive textbook on a tablet computer. After the course, the final exam marks between the two groups of students were compared.I

Please identify the independent and dependent variables in the following description of an experiment: Some elementary school teachers were told that a child’s parents were college graduates, and other teachers were told that the child’s parents had not finished high school; they then rated the child’s academic potential. The IV and DV are

"The more time people spend using social media, the less able they are to express themselves in conversation." Identify the Independent Variable and Dependent Variable.

In a study examining the effect of sleep on memory retention, participants were divided into two groups: one group slept for 8 hours, while the other group slept for 4 hours. Memory retention was tested the next day. Identify the independent and dependent variables.

• A) IV: hours of sleep DV: memory retention

• B) IV: memory retention DV: hours of sleep

• C) IV: participants DV: hours of sleep

• D) IV: sleep quality DV: memory retention

A researcher wants to study the impact of music on plant growth. One group of plants is exposed to classical music, while another group is not exposed to any music. The growth of the plants is measured after two weeks. What are the independent and dependent variables?

• A) IV: type of music DV: plant growth

• B) IV: plant growth DV: type of music

• C) IV: exposure to music DV: plant growth

• D) IV: plant type DV: music exposure

In an experiment to determine the effect of temperature on the solubility of a substance, the temperature of the solution is varied, and the amount of substance that dissolves is measured. Identify the independent and dependent variables.

• A) IV: temperature DV: solubility

• B) IV: solubility DV: temperature

• C) IV: amount of substance DV: temperature

• D) IV: solution type DV: solubility

A study investigates the relationship between exercise frequency and stress levels among adults. Participants are categorized based on their weekly exercise frequency, and their stress levels are assessed. What are the independent and dependent variables?

• A) IV: exercise frequency DV: stress levels

• B) IV: stress levels DV: exercise frequency

• C) IV: participant age DV: stress levels

• D) IV: exercise type DV: stress levels

Researchers are studying the effect of caffeine on reaction time. Participants consume different amounts of caffeine, and their reaction times are recorded. Identify the independent and dependent variables.

• A) IV: caffeine amount DV: reaction time

• B) IV: reaction time DV: caffeine amount

• C) IV: participant age DV: caffeine amount

• D) IV: caffeine type DV: reaction time

In a study on the impact of diet on energy levels, participants follow different diets, and their energy levels are measured throughout the day. What are the independent and dependent variables?

• A) IV: diet type DV: energy levels

• B) IV: energy levels DV: diet type

• C) IV: participant age DV: diet type

• D) IV: meal frequency DV: energy levels