Research Methods

Tasha is trying to determine how completing daily crossword puzzles impacts cognitive decline in Americans over the age of 80

All Americans who are over the age of 80 would be the research study’s...

• Population

• Sample

• Representative Sample

• Community

Tasha is trying to determine how completing daily crossword puzzles impacts cognitive decline in Americans over the age of 80

The 20 individuals which reflect the population as a whole who are chosen to participate in the study are the ________

• Population

• Sample

• Representative Sample

• Community

Tasha is trying to determine how completing daily crossword puzzles impacts cognitive decline in Americans over the age of 80

The 20 individuals chosen by chance over the age of 80 in her hometown who he actually studies is the______________

• Population

• Calculated Sample

• Representative Sample

• Random Sample

Austin wants to determine if his new Internet study guide will improve test scores in college classes. He gives all the students in college classes a number and then by chance chooses 50 numbers to determine who will participate in the study.

All of the students in the professor’s class is the _______

• Population

• Sample

• Assignment

• Random Sample

Austin wants to determine if his new Internet study guide will improve test scores in college classes. He gives all the students in college classes a number and then by chance chooses 50 numbers to determine who will participate in the study.

The 50 students chosen to be in the study are selected via _________________.

• Population

• Sample

• Assignment

• Random Sampling

Uniqua recruits 100 participants for an experiment on memory. She places all of the names of her participants for the memory training into a computer listing. The computer program arbitrarily picks names which she then places into the experimental and control groups.

This is an example of _______

• Sampling

• Specific Assignment

• Random Assignment

• Sampling Bias

Uniqua wants to study the impact of interference on learning when an individual attempts to learn two languages at the same time. She will test adult American learners. She asks all of her colleagues in the Human Relations department to be in her study.

This is an example of _______

• Sampling

• Specific Assignment

• Random Assignment

• Sampling Bias

Pablo is doing research on hours of sleep and reaction time. He has acquired a sample of participants. However, he uses great care to be sure that all segments of his population are represented in his research group . This reflects the diversity of the population to which he is generalizing his results.

This is ___________________

• A Representative Sample

• A Random Sample

• Sampling Bias

• A Random Population

Tyrone would like to study the impact of exercise on GPA at Channelview High School. He defines those who can be in his study as all of the students at CHS.

This is the __________

• Population

• Random Sample

• Sample Bias

• Community

Tyrone would like to study the impact of exercise on GPA at Channelview High School. He defines those who can be in his study as all of the students at CHS. He only chooses his athletic friends to participate in the study

This is __________

• Population

• Random Sample

• Sampling Bias

• Community