For each of the following situations, identify the type of threat to internal validity from the list.

Social Studies

1 answer:

shtirl [24]3 years ago

5 0

Answer:

a) The researcher tested the effectiveness of a new method of teaching drug dosage and solution calculations to nursing students using a standardized calculation examination at the beginning, midpoint, and end of a 2-week course. - MATURATION.

b) In a study of the results of a hypertension teaching program conducted at a senior center, the blood pressures taken by volunteers using their personal equipment were compared before and after the program. - INSTRUMENTATION.

c) The smoking cessation rates of an experimental group consisting of volunteers for a smoking cessation program were compared with the results of a control group of people who wanted to quit on their own without a special program. - SELECTION BIAS.

d) Thirty percent of the subjects dropped out of an experimental study of the effect of a job- training program on employment for homeless women. Over 90% of the dropouts were single homeless women with at least two preschool children, whereas the majority of subjects successfully completing the program had no preschool children. - MORTALITY

You might be interested in

PLZ PLZ PLZ HELP DUE TODAY!!!

Arisa [49]

What's the question

4 0

3 years ago

WHAT I CAN DO

svetoff [14.1K]

Answer:

You could do Black culture and how it's important to recognise the black society and promote unity and not racism.

Explanation:

It's common sense

7 0

3 years ago

Two years ago, the de Castellane Manufacturing Company included its employees in a profit-sharing plan in which workers receive

balu736 [363]

Answer:

Explanation:

5 0

3 years ago

Helping in the face of ____ costs is best described as ____. a. small; courageous resistance b. enormous; altruism c. small; alt

charle [14.2K]

Based on social psychology, helping in the face of enormous costs is best described as courageous resistance.

This is because the act of being courageous is defined as the activities carried out despite danger or harms associated with the actions.

Therefore, when the harm, danger, or cost associated with task is enormous, or greater yet, individuals can carry out such tasks, such person would be described as courageous.

Hence, in this case, it is concluded that the correct answer is option D. "enormous; courageous resistance."

Learn more about Courage here: brainly.com/question/18365035

3 0

2 years ago

Match the transaction cycles with correct description. In this cycle transactions include acquiring materials, property and labo

coldgirl [10]

Answer:

A. Revenue cycle: This cycle includes sales order processing and receiving cash from customers.

C. Expenditure cycle: In this cycle transactions include acquiring materials, property and labor in exchange for cash.

D. Conversion Cycle: In this cycle the company is focused on producing their products and accounting for the cost of production.

Explanation:

These are the tree transaction cycles that exist in all businesses. Understanding them can allow us to understand how a business operates and what we need to pay attention to when starting a business. The revenue cycle consists of processing sales orders and receiving cash from customers. The expenditure cycle consists of purchasing materials, property and labor necessary for the business. Finally, the conversion cycle consists of the company focusing on producing their products and accounting for the cost of production.

6 0

3 years ago