dentify the type of observational study (cross-sectional, retrospective, or prospective) described below. A research company u
ses a device to record the viewing habits of about 12 comma 500 households, and the data collected today will be used to determinenbspthe proportion of households tuned to a particular children's program. Which type of observational study is described in the problem statement?
Cross-sectional research in psychology is defined as using a variety of people who differ in the variable of interest but carries other characteristics as well, including educational background, ethnicity, socioeconomic status, etc. It is often used by a researcher who studies developmental psychology. it is used for population-based surveys and to assess the prevalence of disease. These studies are usually inexpensive and relatively faster.
When copying files and directories under a Linux operating systems, we usually make use of the cp command . In Linux, this cp command is the one that is entered in a shell to copy a file from one location to another, and also possibly on another different file system.
