When designing databases, it's essential to implement relationships between different tables to represent real-world connections. Two key concepts in achieving this are primary keys and foreign keys. A primary key, such as a unique identifier, specifies each record within a table. Think of it as a signature that distinguishes one entry from another… Read More

In the realm of scientific testing, it's crucial to recognize the potential for flawed conclusions. A Type 1 false positive – often dubbed a “false positive” – occurs when we discard a true null hypothesis; essentially, concluding there *is* an effect when there isn't one. Conversely, a Type 2 false negative happens when we can't reject a f… Read More